Personal Injury Accidents Expert Witnesses

Gregory P. Brown, MD, is a is a Diplomate of the American Board of Psychiatry and Neurology and specializes in the fields of adult Psychiatry and Forensic Psychiatry. His private office is dedicated to the practice of Forensic Psychiatry, and includes evaluations for matters in civil court, criminal court, family court, and independent psychiatric evaluations.

Dr. Brown is an Associate Professor of Psychiatry, and the Residency Training Program Director, at the University of Nevada Las Vegas School of Medicine. He founded the Psychiatry Residency Training Program, and has been the Residency Training Director since the time of the first entering class in 2004, under the UNRSOM.

Litigation Support - Dr. Brown has extensive experience in medico-legal work. As a Board Certified Forensic Psychiatrist, he has worked in diverse areas of this subspecialty of psychiatry. Dr. Brown offers litigations support services to attorneys for Plaintiff and Defendant.

Services include Disability Evaluations, Estate Planning Capacity Evaluations, Independent Psychiatric Evaluations, Medical Board Evaluations, Fitness for Duty Evaluations, Department of Energy Fitness Evaluations, Social Security Appeals Record Reviews, and Independent File Reviews for Medical Necessity and for Disability Claims.

Forensic Experience Includes:

• Criminal Court Evaluations - Competence to Stand Trial, Assessment of Criminal Responsibility, NGRI Assessments
• Civil Court Evaluations - Personal Injury with Psychiatric symptoms, Brain Injury with Psychiatric symptoms, Malpractice related questions
• Family Court Evaluations - Involuntary Commitment, Guardianship, Testamentary Capacity, Undue Influence, Contractual Capacity, Fitness to Parent, Child Custody
• Third Party Forensic Evaluations - Fitness for Duty, Return to Work, Disability, ADA Accommodations, Medical Necessity, Independent Psychiatric Evaluations

Wayne G. Hipsley, BSc, MSc, has over 40 years of educational and practical experience in the business of horses. He currently provides legal expertise on a wide variety of issues pertaining to horses in local, regional, national, international, recreational, and professional settings. Mr. Hipsley's equine related work experience includes serving in many different roles in the horse industry on a domestic and international level. His diverse background provides a wide range of expertise. Litigation Support - Mr. Hipsley offers litigation support services to counsel representing both Plaintiff and Defense. He has reviewed over 50 cases, been deposed 8 times, and has qualified and participated in 6 court testimonies. Areas of Expertise:

Animal Welfare Horse Appraisals Horse Buy-Sell Agreements Contractual Obligations Equestrian Competitions

Equine Breed Issues Ethical Equestrian Practices Safety Riding and Care Equestrian Tax Audits Zoning and Planning for Horses / Livestock

Selected Case Histories:

• Personal Injury
• Horse Parentage Qualification Dispute
• Loss of Income
• Intelligent Property and Copyright
• Sale of Horses
• Personal Injury
• Horse Show Disqualification
• Death of Rider
• Defective Tack and Equipment
• Veterinary Care
• Appraisals
• Riding Instructor Provides Improper Supervision
• Mounted Police Caused Injuries
• Misrepresented Horses at Sale
• Sleighing and Driving Accidents

View Wayne Hipsley's Consulting Profile.

Daniel G. O'Kelly has over 46 years of experience as a range instructor, firearm designer, builder, auditor of licensees, collector, and expert on firearms and ammunition. 

Mr. O'Kelly served for 11 years as a Police Officer and for 23 years as a Special Agent for the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF). As one of ATF’s leading firearm experts, he was Lead Instructor of Firearm Technology at the ATF National Academy. Since his retirement from the ATF, he has served as a Senior Corporate Manager for Cabela’s, the then largest firearm retailer in the world, where he co-developed a firearm technology and ATF compliance training program for that company, and is the Founder/Director of IFSA. 

Mr. O'Kelly then founded and is the Director of, the International Firearm Specialist Academy (IFSA), a guild of award-winning experts, former Federal Agents, Investigators, Police Officers, Medical Doctors, and an Attorney, in the Firearm and Forensics field.

Litigations Support -  Mr. O'Kelly has testified continually in depositions and in criminal & civil cases in State, Superior, Circuit, District and Federal Courts since 1978, and has been recognized as an expert witness in Federal and State courts since 1990. He has opined on the topics of:

Use of Force Self-Defense with a Firearm Ballistics Gunshot Residue Interstate Nexus Patent Infringement Gun Control Act Violations and Defenses

Federal and State Firearm Regulations Compliance, Procedures Shooting Reconstruction Firearm Classification NFA Violations and Defenses Firearm Design Wrongful Death

 Noteworthy Cases

• Retained as Defense expert in the Alec Baldwin case.
• Testified in four Federal trials on the topic of federal firearm definitions from 2014 to 2019 which resulted in ATF undertaking a 2-5 year rewrite of the definition of a firearm “frame or receiver”, which reached a SCOTUS decision in 2022. 
• Testified in trials wherein 1289 items of firearm-related evidence were ruled out by the Court as a direct result of his testimony.
• Worked undercover in three international illicit arms dealing cases, including the Diveroli case which sparked the movie "War Dogs", and is one of two ATF Agents to ever perform an undercover investigation of illicit international firearm trafficking in Europe.   

View Daniel O'Kelly's Consulting Profile.

Mitch Jackson is a master communicator, lawyer and private mediator with over three decades of experience in the private sector. He's personally tried more than 70 trials and has a consistent track record of obtaining and negotiating numerous million-dollar verdicts and settlements, Mitch brings a massive amount of expertise to every case and matter he handles. He's served as a Judge Pro Tem with the Orange County Superior Court and fees mediator with the Orange County Bar Association.

Mitch’s accolades speak volumes: he’s an “AV” rated lawyer, the highest independent peer honor for ability and ethics by Martindale-Hubbell. He’s also been named California Litigation Lawyer of the Year in 2013 and Orange County Trial Lawyer of the Year in 2009.

When he's not in the courtroom or successfully mediating a resolution to a dispute, Mitch is on the move—traveling, speaking at conferences, and sharing insights through his blog and books. He’s written and co-written several notable works, including:

"AI in Law- Revolutionizing Your Legal Practice with Innovative Strategies and Tools" (click to read)

"Mastering The Art of Negotiation- Insider Secrets for Business Owners, Entrepreneurs, and Professionals"

"The Mediator's Handbook: Turning Conflict into Collaboration"

"From Courtroom to Boardroom: A Trial Lawyer's Guide to Winning Negotiations!"

"How to Create AI, Web3, and Metaverse Branding and Licensing Opportunities"

"The Web3, Metaverse, and AI Handbook"

"From AI to Blockchain: 14 Technology Trends Every Lawyer Must Know!"

"The Ultimate Guide to Social Media for Business Owners, Professionals, and Entrepreneurs"

Mitch’s influence extends beyond the legal field. He’s twice graced the stage at the Tony Robbins Business Mastery Event, captivating audiences of thousands. As a consulting expert in Sue Scheff’s "Shame Nation" and a contributing author to California’s Continuing Education of the Bar (CEB) in "Effective Introduction of Evidence in California - Chapter 54 Electronic and Social Media Evidence," Mitch is a sought-after thought leader.

Stay connected with Mitch on Linkedin and explore more of his work at his blog mitchjackson.com

Dr. Jane K. McNaught, PhD is a locally and nationally recognized Forensic Psychological Expert specializing in Post Traumatic Stress Disorder with adults and children. Over the course of her more than 35 years of practice, she has worked with both Defense and Plaintiff attorneys and has also been a Court appointed expert.

Dr. McNaught has administered more than 1700 psychological test batteries and testified on over 500 occasions as a forensic expert in the areas of: Civil, Criminal, and Family Law. She also provides trial consultation for attorneys. Dr. McNaught has  been qualified and testified as an expert in PTSD, for both the U.S. Army as well as the U.S. Navy. In addition she has testified as an expert in both District and Federal court. Dr. McNaught practices in the areas of Civil, Criminal, and Family Law cases involving trauma to both adults and children.

In the Civil area, Dr. McNaught is frequently hired as an expert when there are allegations of Emotional Damages involving Post Traumatic Stress Disorder (PTSD). Dr. McNaught has been hired in cases of alleged sexual misconduct within institutional settings such as: Schools, Churches, Treatment Centers, Hospitals, Residential Centers for the Handicapped, Jails and other Police alleged violations.

The following are cases where Dr. McNaugth has been an expert:  PTSD cases involving veterans;  injuries related to Motor Vehicle Injuries/Death; Dog Bite; Amputation; Burns; and Electrocution. Dr. McNaught has also been an expert in  Medical Malpractice Cases,Wrongful Death, and Infant Death cases. Employment Law Experience in cases  involving Age or Sexual Harassment where PTSD is alleged. 

In the Criminal area, Dr. McNaught is hired by both the Prosecution as well as Defense in cases involving Sexual Misconduct. She also conducts evaluations of Defendants in criminal cases where Underlying Psychological Conditions may impact sentencing. She has also  been obtained as an expert to evaluate the reliability of statements obtained from alleged victims of sexual assault. When doing so, Dr. McNaught addresses the following: Recantation, Memory Research, and the Standard of Care for Interviewing Victims of Sexual Assault. 

In the area of Family Law, Dr. McNaught specializes in High Conflict Divorce and and provides consultation in issues related to:  Relocation; Endangerment; Factitious Disorder by Proxy; Parental Capacity; and Parental Alienation. Dr. McNaught is also frequently obtained as an expert to critique other evaluator's reports.

View Dr. McNaught's Consulting Profile.

Dr. David L. Mitchell is an authority on the Numerical Modeling of Geophysical and Atmospheric Data with a Doctorate in Meteorology from Purdue University. Dr. Mitchell has over 28 years of technical modeling experience in industry and consulting.

Dr. Mitchell is a Court Qualified Expert in Air Modeling and Forensic Meteorology. His business experience includes various research, project management and technical consulting positions with Conoco, Getty Oil Company, Texaco, Tenneco, British Petroleum, Leviathan Gas Pipeline LLP and IBM Corporation.

Dr. Mitchell has extensive knowledge of Forensic Meteorology and has published his research results on the numerical modeling of atmospheric stability and convection. Dr. Mitchell is an expert in the field of Air Pollution Meteorology with over 28 years of experience with the mathematical modeling of wave propagation in elastic media, atmospheric fluid dynamics and air dispersion modeling.

Dr. Mitchell is a specialist in Weather Event Re-Construction for litigation and has provided expert testimony for numerous cases related to severe weather events and the application of Force Majeure clauses. He has provided forensic meteorology support for civil and criminal investigations and insurance cases involving weather related accidents, the release of toxic pollutants into the air, air pollution and weather related personal injury and property damage.

He is a member of the Air and Waste Management Association, the American Meteorological Society and the National Association of Environmental Professionals. Dr. Mitchell is also an Associate Member of the American Bar Association with affiliation with the Litigation Division and is a Certified Professional Geoscientist and a Licensed Professional Geoscientist (#1330) in the State of Texas, Certified by the Texas Board of Professional Geoscientists.

Degrees

Ph.D., Atmospheric Science and Meteorology, Purdue University 1976

M.S., Physics, Purdue University 1974

B.S., Physics and Mathematics (Dean’s Distinguished List), Baylor University 1972

Dissertation: A Theoretical Investigation of Atmospheric Convective Modes as a Function of Rayleigh Number, Prandtl Number and Eddy Anisotropy; 1977, Meteor. Soc. Japan, Vol. 55, No. 4, 341 – 363.

Certification and Honors

Court Qualified Expert in Air Modeling and Forensic Meteorology

Certified Professional Geoscientist, Licensed Geoscientist – Texas Board of Professional Geoscientists

Associate of the Scientific Research Society of North America

Sigma Pi Sigma, National Physics Honors Society

Distinguished Expert, National Forensic Center

MRK Medical Consultants provides Medical-Legal Evaluations to help legal and insurance professionals reach appropriate conclusions about their client's situations. MRK provides a wide array of medical experts that offer objective review and analysis of personal injuries. Each stage of the process—research to review, analysis to opinion—is addressed in a comprehensive manner in order to help legal and insurance professionals reach appropriate conclusions about their client’s situations. MRK's prestigious list of more than forty consultants are active clinicians and surgeons, who are all board-certified or eligible in one or more specialties. MRK provides physician experts to the entire State of California, the Reno/Lake Tahoe area, and Las Vegas, and we travel to many areas of the United States. Physical therapy, registered nurses, physician assistant, and billing review consultants are available services MRK provides. Our office physicians are available for telephone review of the merits of your case before you decide to proceed.  

Edward W. Younger, III, M.D., Medical Director of MRK Medical Consultants, specializes in Orthopedic Surgery. He has extensive experience in total joint replacement, as well as reconstructive surgery of the knee, hip, and shoulder. He was instrumental in bringing computer navigation technology to his hospital. He served on the orthopedic trauma staff at Mercy San Juan Medical Center in Carmichael, California, for more than fifteen years and was instrumental in bringing computer navigation technology to that institution. He is a member of Alpha Omega Alpha National Honor Society and is a Diplomate of the American Board of Orthopedic Surgery, a member of the American Medical Association, the American Academy of Orthopedic Surgeons, and the California Orthopedic Association.

Dr. Michael R. Klein, Jr., M.D., specializes in Orthopedic Surgery and is a founding member and the first Medical Director of Northern California Orthopedic Centers. He was involved with the development of the orthopedic section of the Level II Trauma Center at Mercy San Juan Medical Center. He served as a clinical professor at the University of California, Davis, Medical Center for more than thirty years. He has been a member of the North American Spine Society since 2009 and was awarded the David O. Selby Award in 2020 for his contributions. He is a fellow of the American College of Surgeons and American Academy of Orthopedic Surgeons, and a member of the American Medical Association and the California Medical Association. He retired from the USAF in 1998 after being on active duty during the Vietnam War, and he was activated for Operation Desert Storm in 1991. 

MRK's Areas of Expertise:

Orthopedics Neurosurgery / Neurology Anesthesiology / Pain Management Bariatric Surgery Cardiology Chiropractic Orthopedics Covid-19 Critical Care/ICU Chronic Pain  Dermatology Emergency Medicine Endocrinology Gastroenterology General Surgery / Trauma Geriatrics Family Practice IME Life Care Planning Medical Billing / Bill Auditing Medical Malpractice

Medical Record Review Metallurgical Engineering Neuropsychology Neuroradiology Obstetrics / Gynecology / OB/GYN Ophthalmology Optometry Orthopedic Implants Otolaryngology Physical Medicine and Rehabilitation Physical Therapy Plastic Surgery Podiatry Pulmonary Medicine Radiology Sports Medicine Thoracic Surgery  Traumatic Brain Injury Vascular Surgery Vocational Rehabilitation

Dr. Mark J. Conklin is a board-certified Orthopedic Surgeon with over 30 years of experience in treating Complex Foot and Ankle Conditions. He has spent over two decades specializing in ankle replacement surgeries and is recognized for his role as an expert witness in malpractice, personal injury, and workers’ compensation cases. With his commitment to staying at the forefront of orthopedic advancements, Dr. Conklin provides top-tier care to his patients.

Litigation Support - Dr. Conklin provides expert witness services for plaintiff and defense in medical malpractice, personal injury and worker's compensation cases. His services are available for IMEs.

Dr. Conklin has reviewed over 120 cases and been in over 20 depositions. He is skilled in presenting complex medical information in a clear and understandable manner, ensuring that juries and judges grasp the key medical issues.

Areas of Expertise:

Foot and Ankle Surgery Foot and Ankle Injuries Ankle Replacements Foot and Ankle Fractures Achilles Tendon Injuries Ankle Ligament Injuries and Reconstruction Foot and Ankle Fusions

Bunions Hammertoes Diabetic Infections Amputations Lisfranc Injuries Neuromas Metatarsal Osteotomies

Dr. Conklin is a Former President of Woodridge Orthopedic Clinic, Chairman of the Lutheran hospital department of Orthopedic Surgery, President of the Golden Ridge Surgery Center, President of Panorama Orthopedic and Spine Center and President of the Colorado Orthopedic Society.

Dennis Gemberling, CHA, CFBE, FMP, FCSI, President and Founder of Perry Group International, has over 35 years of experience in the Hospitality Management industry. His experience includes managing, operating, and consulting on full-service, limited-service, extended-stay, all-suite, condo and timeshare hotels and resorts, casual, fine-dining, and quick-service restaurants, bars and nightclubs, catering and special event facilities, casinos, and mixed-use real estate. 

Mr. Gemberling has held prior positions for different owners, operators, and chains as Senior Vice President, General Manager, Director of Food & Beverage, and Restaurant Unit Manager. He has been retained on over 400 projects with typical values in the $1 million to $75 million range and revenues in the $1 million to $100 million range both nationally and internationally. His many clients have include among others Biscuits & Blues, Cantina’s, Chevy’s, Choice Hotels, Embassy Suites, Hampton Inns, Hilton, Holiday Inns, Hooter’s Casino, Hyatt, Marriott, McDonald’s, Microtel Inn & Suites, Outback Restaurants, Radisson, Residence Inns, Signature Resort, Sizzler, Sonic Drive-Ins, Starbucks, Starwood, Sheraton, Togo’s, Wendy’s, and Willie Mays Skybox Lounge. 

Litigation Support: Dennis Gemberling is a Certified Hotel Administrator, Certified Food and Beverage Executive, Certified Foodservice Management Professional, and Certified Food Safety Manager. He offers expert witness services to attorneys for plaintiff and defendant cases on a variety of Hospitality-related claims. He is a Professional Member of Foodservice Consultants Society International and the Forensic Expert Witness Association. Mr. Gemberling also provides expertise as a Court Appointed Receiver and Interim Property Manager and is currently the Past President and a Board of Director for the California Receivers Forum – Bay Area Chapter. 

Areas of Expertise:

Management & Operations Income Analysis & Valuation Employment, Hiring & Labor Issues Lost Profits & Future Earnings Business Interruption Planning & Feasibility Upkeep & Maintenance Customs & Trade Practices Standards of Care

Franchise, Management & Operator Contracts Brand, Franchise, Franchisee Apparent Agency Issues Safety & Security Contractor & Entertainment Use Food & Alcoholic Beverage Handling Costs, Economic & Marketing Impact Procurement & Purchasing Landlord / Tenant, Operator & HOA Issues Discrimination & Harassment Construction or FF&E Problems

View Dennis Gemberling's Consulting Profile.

Principle Forensics is a national Media Forensics Laboratory. They Recover, Authenticate, Enhance, and Analyze all types of recorded evidence, including Video, Audio, and Digital Images. Principle Forensics backs all their work with experienced, highly trained, expert testimony.

Nick Barreiro, BAC, AVFA, DIVRT, AFCE, Chief Forensic Analyst, is a Certified Audio Video Forensic Analyst and an FBI-trained member of the Digital Imaging and Video Recovery Team. During his 15-year law enforcement career, he was a patrol sergeant, technology project manager, media forensics expert, detective, digital evidence specialist, and patrol officer. Prior to his career in law enforcement, Mr. Barreiro was an audio engineer and producer in California. He also worked for KBMB radio in Sacramento and has extensive experience and training in audio enhancement and analysis.

Mr. Barreiro works with attorneys representing plaintiffs and defendants in civil or criminal matters in which Audio, Video, or Image Evidence plays a key role. He has tremendous technical knowledge and training, but also extensive experience on the witness stand.

Mr. Barreiro has conducted hundreds of forensic audio, video, and image investigations in the United States and internationally. He has enhanced and analyzed thousands of digital files, ranging from simple slip-and-fall cases and minor traffic accidents to complex investigations such as homicides and officer-involved shootings. He has been court-certified as an expert and provided expert testimony in criminal cases and civil litigation in federal and state court. A highly trained and experienced forensic analyst, he provides technically detailed and precise results with expedited turnaround times.

Video, Audio, and Image Forensics

Evidence Recovery Authentication Enhancement Synchronization Analysis Redaction

Photogrammetry Facial Recognition License Plate Recognition Public / Media Release Court Exhibit Preparation

Research & Planning Consultants, LP (RPC) has been assisting clients with expert services for over 45 years, including consulting and expert witness testimony for personal injury, healthcare litigation, commercial litigation and Certificate of Need matters. RPC also offers a wide selection of health data. They have served clients across the U.S, from Alaska to Florida and from New England to California. 

A Complete Team of Damages Experts for Personal Injury Litigation

Research & Planning Consultants, LP provides the following services: 

• PERSONAL INJURY - RPC provides comprehensive damages analysis in personal injury litigation. Their expert team has life care planners, vocational evaluators, board-certified physicians, economists and neuropsychologists. 

Areas of Expertise include: Life Care Plans, Loss of Earning Capacity or Support, Present Value of Damages, Medical Bill Analysis, Chargemaster Analysis, Neuropsychological Testing & Traumatic Brain Injury, Vocational Evaluations, IMEs, Section 18.001, Prestanding ED Chargemaster Analysis

• COMMERCIAL LITIGATION- RPC has provided expert analysis on commercial litigation concerning many industries: chemicals, refining, forestry, waste management, pipelines, water resources, oil and gas EDP, fisheries, agriculture, electrical generating plants, transmission lines, telecommunications, and real estate development. Our special expertise in the healthcare industry has proven valuable to business litigators unfamiliar with this complex industry.

Areas of Expertise: Breach of Contract / Commercial Economic Damages, Construction Disputes, Litigation over Non-Competitive Agreements, Environmental Torts and Toxic Torts, Commercial Disparagement, Wrongful Termination

• HEALTHCARE LITIGATION - RPC offers economic, statistical, data and clinical analysis in a wide range of healthcare litigation. They have experience with payment disputes, qui tam litigation, physician-hospital disputes, practice valuations and construction litigation. 

Areas of Expertise: Qui Tam Healthcare Litigation, Medical Staff Disputes, Professional Liability, Payment Disputes, Health Facility Construction Disputes, Freestanding ED Chargemester Analysis

• CERTIFICATE OF NEED - RPC provides Certificate of Need (CON) planning services nationwide. We have over 35 years of experience developing regulatory strategy, preparing applications and testifying in public and administrative hearings.

Areas of Expertise: Satellite Hospitals, New Hospitals, Relocation and Transfer of Beds, Observation Beds, Geriatric Psychiatric Units, Children’s Hospitals, Comprehensive Inpatient Rehabilitation Units, Neonatal Intensive Care Units, Open Heart Surgery Services, Long Term Acute Care Units, Projects that exceed CON Capital Threshold Limits, Projects for Specifically Listed Services, Programs Requiring CON, Hospices, Senior Living Facilities

Ronald T. Luke, JD, PhD, is a principal consultant and President of RPC, LP. Ron joined RPC in 1976 and became its president and principal owner in 1979. He has consulted on projects for health care providers, managed care plans and public agencies in more than 25 states. He also serves as an expert witness in trials, administrative proceedings and legislative hearings.

Active in the Health Policy Arena, Dr. Luke has been accepted as an expert in Economics, Socioeconomic Impact Analysis, and Policy Analysis by state and federal courts, and state administrative agencies. The types of cases in which he has provided expert testimony include personal injury, contractual disputes, health care payment disputes, construction defects, utility construction permitting, and certificate of need. He has testified on health care matters including market structure, billing fraud and abuse, reasonableness of charges, medical staff credentialing, workers’ compensation fee guidelines, utilization review, physician contracts, and managed care contracts.

Kacy L. Turner, MS, CRC, CVE, CLCP, is a Certified Life Care Planner and Vocational Consultant with RPC. She has over 20 years of experience in Rehabilitation. Ms. Turner has experience writing life care plans for both plaintiff and defense clients. She has experience as a rehabilitation consultant in three states and has been qualified as a testifying expert in state and federal court.  

Ms. Turner has worked on cases in several states as well as the country of Trinidad. To determine the pre-injury and post-injury employability in personal injury cases, she provides vocational testing, transferable skills analysis, job requirements analysis, rehabilitation plans, and definition of reasonable accommodations under the American with Disabilities Act. She is a member of the International Association of Rehabilitation Professionals, the Texas Association of Rehabilitation Professionals and Providers of Services, and Vocational Evaluation and Career Assessment Professionals.

Brian Piper, PhD,  is an Economist with RPC specializing in Quantitative Analysis and Modelling. He works on a variety of cases including personal injury and certificate of need. He is experienced in data extraction, management, simulation, and analysis using STATA, SQL, ARC GIS and a variety of other programs. Dr. Piper has taught graduate classes in statistics and econometrics in both MBA and Ph.D. programs.

Dr. Piper is an experienced expert, providing testimony, reports, and affidavits on the issues of economic damages in personal injury litigation, healthcare litigation, False Claims Act litigation, and other commercial litigation. He has testified on behalf of plaintiffs and defendants. 

Dr. Piper specializes in the economics of healthcare. He has been retained by healthcare providers and insurers in payment disputes. He has analyzed the reasonableness of charges and expected payment for past and future medical services for providers, insurers, plaintiffs, and defendants. Besides work in litigation, Dr. Piper has provided analysis of Certificate of Need applications and the economic impacts of proposed legislation.

Michael P. Lawler, MS, CSP, ASP, CHST, is a Construction Safety Expert with over 30 years of experience. He offers a unique combination of formal education and "project based" technical experience working on some of the largest construction projects in the United States. 

Litigation Support - Mr. Lawler's experience includes over 50 OSHA inspections and associated negotiation and defense preparation related to OSHA citations.   His background allows him to opine on OSHA Standards and Contract Responsibility with a demeanor of care and confidence. 

Mr. Lawler is an expert at applying OSH Act of 1970 standards, CFR 1926 & 1910 regulations, policies, construction industry practices, contract responsibility, incident investigation, and accident reconstruction. Mr. Lawler analyzes how post incident details and investigations should be completed and who is responsible per the OSHA Standard and construction industry practices. He is experienced in personal injury, catastrophic injury, and fatality cases. 

Areas of Expertise:

Construction Personal Injury OSHA Construction Standards Catastrophic Injury / Fatalities Multi-Employer Worksites Failure to Train General Contractor Responsibility Sub Contractor Coordination of Safety Responsibilities Contract Application on Construction Sites Mobile Elevating Work Platforms (MEWP)

Manual on Uniform Traffic Control Devices (MUTCD) Fall Protection Scaffolds / Cranes Steel Erection Silica / Lead Confined Spaces Scissor Lift / Aerial Lift Equipment Accidents Amputation / Crush

Sanjay Adhia, MD, MRO, is triple-Board-Certified in Psychiatry, Brain Injury Medicine, and Forensic Psychiatry. In addition to forensic/expert witness practice, Dr. Adhia treats patients with brain injuries, spinal cord injuries and recovery from stroke at renowned TIRR Memorial Hermann Hospital. 

His forensic practice focuses on the psychiatric factors and damages in cases of personal injury, medical malpractice, toxic exposure, testamentary capacity, undue influence and Dementia, TBI Brain injuries, competency, mental illness and complicating medical conditions.

Dr. Adhia treats and opines about Traumatic Brain Injury (TBI) in litigation as it can result in psychiatric or neurocognitive impairments. 

In all populations, he assesses PTSD, Anxiety, Depressive Disorders, risk of suicide, and malingering. 

Dr. Adhia is Associate Program Director for the Forensic Psychiatry Fellowship at University of Texas Health Science Center, McGovern School of Medicine where he is also an Assistant Professor of Psychiatry and Forensic Psychiatry mentor to residents.

Dr. Adhia volunteers with Physicians for Human Rights to assess victims of kidnapping and false imprisonment, human trafficking, undue influence, physical and sexual abuse, rape, and fear of imminent death. 

He conducts Independent Medical Examinations, review of records, and reports findings to courts and attorneys. He is available to testify in civil, criminal, probate, Federal, Immigration, military, and administrative jurisdictions.

Adhia & Associates also includes Kerry Mendes, MD—a Texas-based psychiatrist triple Board-Certified in General, Child & Adolescent, and Forensic Psychiatry—and Pia Quimson-Guevarra, DO, double Board-Certified in General and Forensic Psychiatry and licensed in Oregon and Washington. 

Drs. Mendes and Quimson-Guevarra also maintain active clinical practices alongside their forensic work: Dr. Mendes treats patients in Houston at Avenue360, and Dr. Quimson-Guevarra as director of Quimson Behavioral Health in Portland.

 

Violence Sexual abuse Malpractice and Standard of Care Alcohol and Drug Abuse Dementia and IDD Psychopharmacology Competency

PTSD Suicide Psychiatric Injury Will Contest Correctional Fitness for Duty Brain Injury

Dr. John F. Doherty is an experienced Public and Private School Educator who has focused his work on improving schools through effective hiring practices, supervision and training of staff, and building a school culture of sustainability. In his current role, he serves as a School Liability Expert Witness.

Dr. Doherty has over 35 years of experience as a superintendent, assistant superintendent, principal, assistant principal, department chair, coach, and teacher. He is the co-chair of the Massachusetts Department of Education Safe and Supportive Schools Commission and chair of the Massachusetts Association of School Superintendents Professional Development Committee.

Litigation Support - Dr. Doherty provides consultation and expert witness services to plaintiff and defendant attorneys throughout the US and Canada. As a court-qualified education administration and supervision expert, he applies his experience, education, and training to the review and analysis of cases to determine the professional standard of care from case inception to resolution, including expert reports, deposition, and trial testimony.

Ideal Client Engagement - Attorneys litigating matters involving the question of liability for school or youth-serving agencies (daycare, camps, aftercare, church childcare) regarding the standard of care, student-supervision, staff training, in any type of injury or incident involving the school/agency, such as wrongful death, personal injury, sexual harassment/abuse, Title IX, Section 1983, in daycare through college/university and more.

Areas of Expertise:

School Liability School Standard of Care School Administration Negligent Supervision Student Sexual Assault / Abuse / Harassment Harassment / Intimidation / Bullying Discrimination Title IX Employee Hiring / Training / Supervision Special Education

Student Personal Injury Student Wrongful Death Daycare / Preschool Camps Aftercare / Student Clubs Youth-Serving Programs Education Law School Violence School Comparisons Custody Issues

 

Shawn A. Hayden MD, PhD, MBA, President and CEO of ONTO Orthopedics, has over 25 years of experience as an Orthopedic Spine, Trauma and Sports Medicine Surgeon in the Dallas Fort Worth area. Dr. Hayden’s focus has always been in providing high-tech, high-quality care to his patients. For this reason, he is constantly training on some of the latest diagnostic and operative technologies. 

Litigation Support - Dr. Hayden assists medical doctors, scientists, lawyers and law firms with civil matters, malpractice cases, business guidance, and idea generation. His services include medical record review, thorough reporting of causation, depositions, and trial testimony as needed.

Areas of Expertise:

Orthopedic Surgery Spine Surgery Sports Medicine and Surgery Endoscopic Surgery Minimally Invasive Surgery Sports Injury Back Injury Neck Injury

Whiplash Sports Concussion Case Valuation Impairment Medical Devices Innovation Understanding EMR Vehicle Injury Evaluation

Dr. Hayden graduated from Harvard College. He received his medical degree from the University of Massachusetts Medical School and his orthopedic training at the Harvard Combined Orthopedics Residency Program. Dr. Hayden is also fellowship trained in orthopedic trauma and spine surgery at The Massachusetts General Hospital and The Beth Israel Deaconess Medical Center. Diplomate of the American Board of Orthopedic Surgery and a Fellow in the American Academy of Orthopedic Surgeons. Dr. Hayden is board certified in Orthopedic Surgery.