Standard of Care Expert Witnesses: 112

David Friedler, MS, MPH, CNHA, LMHC, Is an expert in wrongful injury, abuse and neglect in health care. His experience is in the regulatory standard of care in Nursing Facilities, Psychiatric and Substance Use Rehabilitation as well as Adult Foster Care. He holds MPH and MS degrees and has worked clinical and administrative roles for four decades. He has extensive experience with survey compliance, Federal and State regulation, JCAHO and CARF accreditation, OSHA compliance and policy and procedure adherence.

Areas of Expertise:

• Long Term Care
• Nursing Homes
• Drug and Alcohol Rehabilitation
• Behavioral Health / Psychiatric Care in Drug Treatment Facilities
• Psychiatric care in Nursing Homes, Group Homes

Divya Chander, MD, PhD, is a board-certified Anesthesiologist with a Neuroscience PhD and extensive teaching experience. Dr. Chander trained at Harvard, UCSF, UCSD, and the Salk Institute. She is currently the Chair of Neuroscience and Faculty in Medicine at Singularity University. She is also a Visiting Scholar in the Stanford Department of Medicine, Biomedical Informatics, and was a member of the Stanford Anesthesiology Faculty for 8 years.

Litigation Support - Dr. Chander offers expert witness services to attorneys representing plaintiff and defense. Services include medical record review, thorough reporting, depositions, and trial testimony as needed.

Areas of Expertise:

Neurosurgical Anesthesia Obstetric Anesthesia General surgical Anesthesia

Awareness Under Anesthesia Difficult Airway Head and Neck / ENT Anesthesia

Background Information - Dr. Chander's postdoctoral training Stanford (Deisseroth/de Lecea Labs) allowed her to use light-activated ion channels inserted in DNA (optogenetics) to study sleep and consciousness switches in brains. In the operating room, she applies EEG technology to understand what human brains and the underlying networks look like when they lose and regain consciousness. Dr. Chander also has a precision medicine initiative focused on understanding genetic variability in responses to anesthetic drugs and brain oscillations. Her goal is to understand neural mechanisms of consciousness, as well as the evolution of human consciousness secondary to human augmentation.

Dr. Chander is working on devices that read and write the brain (brain mapping, neuromodulation) and link to brain machine interfaces for diagnostic and therapeutic purposes.

Dr. Chander also works in the field of space life sciences. A finalist for astronaut selection and an alumnus of the International Space University, she has performed remote simulations of trauma rescues, anesthesia and surgery in Mars analogue settings with physicians in the US, France, and the Concordia base in Antarctica. She has also been involved with a consortium that elaborated a road-map for studying the effect of microgravity and radiation on the nervous system, cardiovascular system, cognition and sleep.

View Dr. Divya Chander's Consulting Profile.

Eugene Strasser, MD, JD , FACS, ACLM, is a Board Certified Plastic Surgeon with 35+ years of experience. Dr. Strasser is a graduate of the the University of Maryland School of Medicine & The Sheppard Broad Law Center at Nova Southeastern University. He trained at the world renowned R. Adam Cowley Shock Trauma Center at the University of Maryland & finished General Surgery training at York Hospital in York, PA. He completed his Plastic Surgery residency at Albany Medical Center in New York and is board certified in Plastic Surgery. Dr. Strasser's work is published in multiple professional journals & magazines and is on staff at several local hospitals. He serves as Chief of Staff at The Outpatient Surgery Center in Coral Springs, Florida.

Areas of Expertise

• Cosmetic Surgery - Face, Eyes, Brow, Nose, Ears, Lips, Neck, Breast, Body, Scalp, Extremities
• Liposuction, Breast-augmentation,lift,reduction, Body Contouring, Abdominoplasty, (Buttock,Arms,Thigh,Body lift), Vaginal Rejuvenation,Dermabrasion/Peels,Injectables
• Reconstructive Surgery - Post Traumatic, Burns, Cancer Removal, Wound Healing, Scars, Ulcers
• Breast Reconstruction

Memberships and Affiliations:

• American Society of Plastic Surgeons
• American Society of Aesthetic Plastic Surgery, Inc.
• American College of Surgeons
• American Medical Association
• Florida Medical Association
• Florida Society of Plastic Surgeons
• American College of Legal Medicine

Lori S. Corley MD, FAAP, is Board Certified in Pediatric and Adolescent Medicine. Also certified in Basic Life Support (BLS) and Neonatal Resuscitation Program (NRP), she provides comprehensive medical care for infants, children, and adolescents, acting as their primary care physician. 

Employment Experience

• Consultant / Expert Witness for Medical Malpractice cases - Case list available on request (2004-present)
• Clinical Assistant Professor of Pediatrics, Georgia Health Sciences University /Medical College of Georgia (2002-present)
• Adjunct Professor, MSN Primary Care Nurse Practitioner Program, Kennesaw State University (2001-present)

Dr. Corley provides litigation support services to attorneys representing Plaintiff and Defense. She is available to review medical records, give depositions, and trial testimony for cases that include issues of causation, quality control, and standard of care. 

Areas of Expertise:

• Pediatric Medicine - General infections and illnesses (fevers, sore throats, ear infections, etc.) and minor injuries, as well as some diseases (septic shock), emotional stressors in children that may lead to psychiatric or mental health complications, including developmental and anxiety disorders, behavioral problems and functional complications
• Adolescent Medicine - Sexually transmitted diseases (STDs), substance abuse, obesity, eating disorders, mental illnesses (ADHD), acne, pregnancy, birth control programs, menstrual disorders, problems with puberty, among many other conditions and disorders

Sanam Hafeez, PsyD, is a Clinical and Forensic Psychologist with over 20 years of experience. She is a pioneer in neuropsychological assessments, reshaping its clinical model and best practices.

Dr. Hafeez received her doctorate from Hofstra University and completed her post-doctoral work in Neuro-developmental Psychology at Coney Island Hospital in Brooklyn, NY. She is a New York State licensed psychologist and a New York State Certified School Psychologist. She is an expert in trauma, learning problems, ADHD and Autism. Dr. Sanam Hafeez has been recognized through multiple honors, from faculty appointments at Columbia University, CUNY schools, as well as Molloy College. She has authored papers and textbook chapters on trauma.

Litigation Support - Dr. Hafeez has successfully evaluated and testified for several forensic cases, resulting in desirable decisions and multi-million dollar awards. She has testified for immigration cases, those involving trauma and damages, custody, and education. Dr. Hafeez has also consulted and worked on complex matters of wrongful death, sexual assault, matters of national security, and catastrophic injury.

Areas of Expertise:

Neuropsychological Evaluations Civil and Criminal Matters Psychology Malpractice Personal Injury Immigration Issues Child Custody Substance Abuse

PTSD Learning Disabilities Trauma Autism ADHD Mood Disorders Cognitive Behavioral Therapy

Clive M. Segil, MD, FACS, FRCS is an internationally renowned Orthopedic Surgeon with 45 years of experience in the management of Musculoskeletal Disorders. He practices orthopedic surgery, treating all orthopedic conditions.

Dr. Segil is on the staff of Cedars-Sinai Medical Centre, St Johns Hospital Medical Centre, Valley Presbyterian Hospital.

He is in active practice in the Los Angeles, with offices in Century City, Encino, Lawndale, Glendale, Lancaster, Pomona. He is a past assistant clinical professor of orthopedics at the University of Southern California School of Medicine and a past Clinical Chief of Orthopedics at Cedars-Sinai Medical Center.

Dr. Segil completely understands the forensic system, is comfortable and confident in presentation and trial appearance, and is not intimidated by court proceedings. He has experience in all aspects of Orthopaedic Surgery. He is familiar with the new changes in the Workers' Compensation arena, including using the AMA guidelines, the ACOEM guidelines, and the American Academy of Orthopedic Surgery guidelines for spine problems.

Dr. Segil testifies for defense and plaintiff cases with an unbiased, erudite, understandable, and logical argument to support the facts and evidence. He has provided unbiased, detailed, ratable, and credible reports concerning injured workers and has given an honest opinion as to their condition, causation, prognosis, disability, and apportionment in a precise organized manner.

View Dr. Segil's Consulting Profile.

Jessica Chaudhary, MD, is a Board Certified, Harvard and Yale trained Psychiatrist with specialties in Psychotherapy and Psychopharmacology. Dr. Chaudhary is a clinical instructor at Yale, and a fellow of the American Psychiatric Association. She has over 10 years of experience focusing on her fileds of expertise.

Dr. Chaudhary treats conditions such as anxiety disorders, depressive disorders, attention deficit disorders, women's mental health issues, substance use disorders, psychosis, and dementia with behavioral disturbance.  She has expertise in caring for those with complex medical and co-morbid psychiatric conditions, and she treats individuals across the life span. 

Dr. Chaudhary can provide all services through TELEHEALTH.

Litigation Support - Dr. Chaudhary offers litigation support services in civil and criminal cases to attorneys for Plaintiff and Defense. She is a private consultant and expert witness for attorneys and organizations nationwide. Her services include:

• General Psychiatric Issues
• Women's OB / GYN Issues
• Substance Abuse Issues
• Evaluation and Treatment of Impaired Professionals (and/or consultation with their professional organizations)
• Independent Medical Examination
• Disability Evaluation

Education: Wellesley College, BA; University of Washington School of Medicine, MD; Yale University, Internship and Residency in Psychiatry; Harvard University, Fellowship in Psychosomatic Medicine

Medical Licenses: CT, MA, FL, TX

View Dr. Jessica Chaudhary's Consulting Profile.

Ernest N. Charlesworth, MD, is a Diplomate of the American Board of Dermatology, the American Board of Internal Medicine, American Board of Allergy & Immunology, and the American Board of Diagnostic Laboratory Immunology. He has over 40 years of experience in his field of expertise.

Dr. Charlesworth is one of only a few United States physicians who is board certified in both Allergy / Immunology and Dermatology. Well-versed in his area of expertise, he has published over 50 peer-reviewed articles, several textbook chapters, and two textbooks. He has been honored by the American College of Allergy, Asthma, and Immunology for both Distinguished Service and as a Distinguished Fellow.

Dr. Charlesworth offers litigation support, except independent medical examinations, to attorneys representing both Plaintiff and Defense. He has been deposed and/or testified approximately 15 times since 2010. His services include issues of causation and standard of care. Dr. Charlesworth has completed the National Catholic Certification Program in Health Care Ethics. He retired from active medical practice in May of 2014 but continues to be active in academic medicine.

Areas of Expertise:

Respiratory Diseases Asthma Immunologic and Allergic Disorders Dermatologic Diseases Allergic Skin Diseases

Allergic Drug Reactions Skin Cancers Health Effects from Toxic Mold Mycological Diseases Allergic Pulmonary Disease

Dr. Keith Chamberlin is an award-winning Anesthesiologist in active clinical practice. Georgetown educated, he is a former Dartmouth Faculty member and current Fellow of the American Society of Anesthesiologists. He is a former Hospital Chief of Staff and Decorated United States Army veteran.

Litigation Support - Dr. Chamberlin is available to serve as an expert witness on cases involving anesthesiology standard of care and causation.  He also has significant medical management experience, having served as the CEO of multiple medical groups and an accountable care organization (ACO). As such, he is also available to serve as an expert witness on cases involving physician credentialling, provider agreements, physician employment contracts, healthcare billing and fraud, safety, quality, etc.

Dr. Chamberlin offers expert witness services to attorneys representing plaintiff and defense. He is an experienced expert witness at both deposition and trial. His services include medical record review, thorough reporting, deposition, and testimony as needed.

Areas of Expertise:

Intubation Central Line Difficult Airway Anesthesia Positioning Capnography Pre-operative Anesthesia Ambulatory Surgery Laryngospasm Propofol PACU Nurse Anesthetist

Recovery Room Hospital Administration Safety Quality Medical Billing Local Anesthetic Systemic Toxicity LAST Healthcare Fraud Credentialing Healthcare Provider Agreement ACO Physician Employment Contract

Robert S. Griswold, CRE, CPM, CCIM, ACoM, RPA, PCAM, CCAM, GRI, ARM, has over 40 years of specialized experience in the field of Real Estate Management. He is currently active as a day-to-day hands-on, licensed practitioner, consultant, and expert witness in all aspects of real estate (except valuation). A 3-time graduate of the distinguished Marshall School of Business at the University of Southern California with a BS ('81), MBA ('86) and MSBA (2nd Masters) ('88) in real estate and related disciplines, Mr. Griswold is a recognized expert on management of all types of residential real estate. He has actively managed over 70,000 residential units and several million square feet of commercial, industrial, self-storage and retail properties nationally. He has extensive experience as a court-appointed receiver (over 200 times) for private lenders and major financial institutions. 

Litigation Support - In the last 40+ years, Mr. Griswold has consulted on over 4,000 litigation matters, has been deposed over 700 times, and provided sworn testimony in trial or arbitration on over 200 occasions in both state and federal litigation matters throughout the United States. Also serving as a court-appointed bankruptcy Custodian and Referee, his casework is very evenly divided between plaintiff and defense work. Mr. Griswold is uniquely qualified to opine on real estate-related litigation matters, having authored or co-authored the 12 best-selling real estate books: Real Estate Investing For Dummies, Property Management Kit For Dummies; Mortgage Management for Dummies, and Landlord's Legal Kit For Dummies. His 15+ years as an On-Air NBC-TV Real Estate Expert and a similar tenure as a major radio station weekly talk show host have prepared him to explain complicated matters at an 8th grade level and present convincing opinions to juries. 

Areas of Expertise:

Property Manager or Broker Fiduciary Duty Transactions Lease / CAM Disputes Lease Mitigation Premises Liability - Trip & Fall Maintenance or Failure to Maintain "Slumlord" Allegations Health & Safety or Personal Injury Wrongful Death

Property Inspections Water Intrusion, Mold Bed Bugs Fair Housing, Discrimination HUD Management Issues, Criminal Acts Management / Receiver Fees Transfer Disclosures, Misrepresentation, Negligence Negligent Hiring, Supervision, Termination Association Board Duties and Negligence

View Robert Griswold's Consulting Profile.

Bryan L. Parker, CPA/PFS, CFP, CLU, ChFC, CASL, FCPA, is a Certified Forensic Accountant with over 30 years of experience in his field. Background - Prior to founding Bryan L. Parker, CPA, LLC, Mr. Parker held the position of CFO at McPherson Oil Company ($300 million + annual revenues) where he was responsible for advising and negotiating banking relationships, acquisition review, acquisition integration, financial reporting, and interaction with external auditors. His experience also includes serving as VP of Mergers & Acquisitions for Citation Corporation (Public Co.) and CFO of TIC United Corp., Dallas, TX ($300 million + revenues).

Mr. Parker has performed business valuations for more than 100 businesses in a variety of industries including manufacturing, trucking, printing, fuel oil distribution, motor/lubricating oil distribution, professional services, restaurants, fast food franchises, metal foundry, metal forge, machining, and plastic injection molding.

Litigation Support - Mr. Parker provides expert witness services to attorneys representing both plaintiff and defendant. He offers Forensic Accounting services, written reports, deposition, and trial testimony as needed.

Areas of Expertise:

Forensic Accounting Money Tracing Business Valuations

Divorce Settlements Business Damage Analysis Earning Capacity

View Bryan Parker's Consulting Profile.

Marguerita M. Cheng, CFP®, CRPC®, RICP®, Chief Executive Officer at Blue Ocean Global Wealth, is a Certified Financial Planning Expert with 18 years of experience. Prior to co-founding Blue Ocean Global Wealth, she was a Financial Advisor at Ameriprise Financial and an Analyst and Editor at Towa Securities in Tokyo, Japan. Ms. Cheng is a past spokesperson for the AARP Financial Freedom Campaign and a regular columnist for Investopedia & Kiplinger. She is a CFP® professional, a Chartered Retirement Planning CounselorSM, a Retirement Income Certified Professional® and a Certified Divorce Financial Analyst. As a Certified Financial Planner Board of Standards (CFP Board) Ambassador, Ms. Cheng helps educate the public, policymakers, and media about the benefits of competent, ethical financial planning. She served on the Financial Planning Association (FPA) National Board of Directors from 2013 – 2015 and is a past president of the Financial Planning Association of the National Capital Area (FPA NCA). 

Marguerita Cheng CNBC Interview on Social Security 

Awards and Honors - Ms. Cheng is a recipient of the Ameriprise Financial Presidential Award for Quality of Advice and the prestigious Japanese Monbukagakusho Scholarship. In 2017, she was named the #3 Most Influential Financial Advisor in the Investopedia Top 100, a Woman to Watch by InvestmentNews, and a Top 100 Minority Business Enterprise (MBE®) by the Capital Region Minority Supplier Development Council (CRMSDC).

Litigation Support - Ms. Cheng serves as a Women’s Initiative (WIN) Advocate and subject matter expert for CFP Board, contributing to the development of examination questions for the CFP® Certification Examination. She also volunteers for CFP Board Disciplinary and Ethics Commission (DEC) hearings. Services to attorneys representing plaintiff and defendant include financial due diligence, thorough reporting, depositions, and trial testimony as needed.

Areas of Litigation Expertise:

Financial Planning Issues Social Security Elder Financial Abuse

Financial Planner Standard of Care Financial Planner Code of Ethics Investor Rights

Jess Birken, MNM, Esq.

Jess is the owner of Birken Law Office PLLC, a boutique law firm serving nonprofits and charitable entities with their compliance and operational issues. Jess empowers nonprofits to achieve their mission by doing things right. She connects clients with the right tools, right coaching and right contacts. Ms. Birken is a nationally recognized attorney both for her service and understanding of the nonprofit & charitable sector as well as for her innovative subscription based law firm model. Listen to Jess' podcast Charity Therapy on your favorite podcast player.

Credentials

• BA, Sociology, University of Minnesota, Twin Cities
• JD, Mitchell Hamline School of Law, Magna Cum Laude
• MA, Nonprofit Management, Hamline University School of Business
• For additional information view LinkedIn

Litigation Support 

Ideal client engagements are with attorneys for either plaintiff or defendant representing nonprofits involved in complex nonprofit business or compliance cases.

Entity Formation, Articles of Incorporation Nonprofit Sector Best Practices Bylaws Interpretation Fiduciary Duties Private Benefit / Private Inurement / Insider Dealing

Voting Member Rights Board Disputes / Community Disputes Government Grant Compliance Nonprofit Policy Norms Conflicts of Interest Management

Biography

Ms. Birken is the former CEO & Managing Partner at Urban Birken PLLC, a boutique firm that focused on serving the nonprofit community and started her own firm in 2016. Jess has extensive non-legal experience working inside nonprofit organizations for most of her career prior to law school as well as after attaining her masters.

Before becoming a private practice attorney, Ms. Birken served inside a mid-sized national nonprofit organization, Pheasants Forever. In that role she managed ~$50,000,000 in state and federal government grants and worked on hundreds of conservation real estate transactions. Jess is deeply experienced in the reality of federal grants management across the entire life cycle. Ms. Birken has a deep understanding of the norms and best practices of the nonprofit sector, as well as the legal and regulatory environment these organizations exist within. This expertise was developed through her academic work obtaining a Masters in Nonprofit Management, in the work environment and through private practice experience.

Birken Law Video Introduction

Contact Information

You can contact Ms. Birken via e-mail or follow her on Twitter or Facebook.

Click here to schedule a free call now.

Elbridge F. Bills, MD, FACOG, is a board certified OB/GYN with over 20 years of clinical experience in Obstetrics & Gynecology. Dr. Bills is a graduate of Emory Medical School and received a Master's degree in Metabolic & Nutritional Medicine from the University of South Florida.

With a full-time practice caring for and managing low and high risk pregnancies and deliveries, Dr. Bills also has an active gynecological practice including hysteroscopic, laparoscopic, and robotic procedures. He is licensed in both Georgia and Florida.

Dr. Bills is Board Certified by the American Board of Obstetrics and Gynecology, a member of the American Association of Gynecological Laparoscopists, the American Institute of Ultrasound in Medicine, and the International Society of Ultrasound in Obstetrics and Gynecology.

Litigation Support - Dr. Bills offers expert witness services to attorneys representing plaintiff and defense. He is available for cases involving medical malpractice and other OB-GYN related injuries. His services include medical record review, thorough reporting, depositions, and trial testimony as needed.

Areas of Expertise:

Normal & High Risk Pregnancies Hysteroscopic Gynecology Laparoscopic Gynecology Reconstructive and Robotic Surgery

Gynecological Ultrasound Integrative Medicine Hormone Therapy Testosterone Therapy

Gerald W. Smetana, MD, Board Certified in Internal Medicine, is a General Internist with 38 years of experience in an academic primary care practice at Beth Israel Deaconess Medical Center in Boston. He is also a Professor of Medicine at Harvard Medical School where he has taught internal medicine to medical house staff and also teaches extensively to practicing clinicians in continuing medical education settings. Dr. Smetana is a Master of the American College of Physicians.

Practicing in an outpatient setting, Dr. Smetana cared for a panel of patients that was weighted towards those with multiple chronic illnesses and high disease complexity. In addition to all aspects of office based general internal medicine, his areas of interest include Preoperative Medical Evaluation, Hypertension, and Headache.

Dr. Smetana has been repeatedly selected as a Best Doctor in a national survey. He publishes in the peer reviewed medical literature and medical texts, has edited textbooks, and has helped to develop national guidelines on topics in internal medicine. He has been invited to deliver seminars and presentations on various topics within his area of expertise nationally and internationally. He has been a section editor for the Annals of Internal Medicine. In April 2025, Dr. Smetana retired from clinical practice, but remains active in scholarly work, lecturing, and consulting.

Litigation Support - Dr. Smetana reviews cases for both plaintiffs and defendants and has testified at deposition and at trial as an expert on numerous occasions in most states in the eastern United States. He has reviewed medical malpractice cases over the past 20 years both for plaintiffs and doctors. Dr. Smetana also consults for risk management insurers. His record review and medicolegal consultation services are available throughout the United States.