Standard of Care Expert Witnesses: 124

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

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.

Duane M. Bryant MD, MS, is a seasoned Ophthalmologist certified by the American Board of Ophthalmology. Dr. Bryant has over 30 years of clinical and surgical experience with Cataracts, Glaucoma, Laser Surgery For Glaucoma, Laser Surgery for Diabetic Retinopathy, Laser Surgery for Central Vein Occlusion and Branch Retinal Vein Occlusion, and Intravitreal Avastin Injections.

Regularly participating in Continuing Medical Education courses, Dr. Bryant's expertise is cutting edge. In 2014 alone, he attended the Retinal Physician Symposium, the Kiawah Eye Meeting, the Diabetic Retinopathy and Vein Occlusion, and Current Concepts in Ophthalmology. 

Litigation Support - Dr. Bryant has been involved in expert witness, peer chart review, and IME work for over 10 years. His services are available to counsel representing both Plaintiff and Defense.

Consultative / Forensic Experience:

Cataract Surgery Glaucoma Laser Surgery Ocular Trauma

Diabetic Retinopathy (Medical and Laser Treatment) Vein Occlusion (Medical and Laser Treatment) Life Care Planning for cases of Visual Impairment See Case Descriptions

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.

Tyla A. DiMaria has a Master of Science in Nursing (MSN), with over 25 years of experience in Serious Injuries and Catastrophic Illness within various clinical settings, management, work comp, and home care. Ms. DiMaria is a Registered Nurse certified in Case Management as well as Life Care Planning. She has owned her own homecare company since 2008.

As Principal of Best Care Life Solutions, based in Carlsbad, California, Ms. DiMaria reviews medical records, performs past billing analysis, consults and collaborates with physicians and other health professionals to formulate future care needs and Life Care Plans for patients with catastrophic injuries and chronic illness.

Ms. DiMaria provides nationwide services to both plaintiffs and defense attorneys. Expert Witness Services include Independent Medical Evaluations, Depositions, and In-Court Testimonies.

Areas of Expertise:

Life Care Plans Life Care Plan Rebuttals

Standard of Care Reports Cost Comparisons

The Life Care Plan is crucial to individuals with injuries or chronic conditions requiring complex long-term healthcare intervention and management. It is an integrative plan for individuals with disabilities or chronic health conditions that includes items and services required, along with specific costs that addresses current and future needs. The Life Care Plan includes estimates for the current and future healthcare needs of individuals along with the associated costs.

Monica M. Argumedo, MD, is a Board-Certified Forensic and Clinical Psychiatrist (ABPN). Dr. Argumedo has testified about her forensic opinions in more than 40 cases in open court. In psychiatric practice for more than 15 years, Dr. Argumedo teaches at Rush University Medical School/Rush University Medical Center as Assistant Professor in Psychiatry. She teaches psychiatry residents in topics related to psychiatry and the law, and psychiatry in medicine. She also interviews prospective medical students through her role on the Medical Admissions Committee.

Dr. Argumedo works with Employers in cases where mental health/psychiatric concerns about an employee require an objective and unbiased Fitness for Duty Evaluation and report. She also consults in employment matters and litigation and serves as a disclosed expert witness. Her work addresses fitness for duty (FFD) in a litigated environment, Wrongful Termination, and Psychiatric Disability. Additional experience includes FFD of peace officers and first responders.

Services - Forensic Psychiatry, Medico-Legal evaluations, medical complications, review of records, written reports, deposition testimony, trial testimony, consultation to attorneys addressing psychiatric issues relevant in a case, opposing counsel expert reports or expert qualifications, assisting with cross-examination questions, and lines of inquiry.

Areas of Expertise:

Fitness for Duty Wrongful Termination Psychiatric Disability Depression Anxiety PTSD Competency Dementia Cognitive Behavior Emotional Distress

Pain and Suffering Standard of Care Institutional Care Medical Malpractice Discrimination Harassment Hostile Workplace Pre-employment Evaluation Security-sensitive Security Clearance

Architectural Forensics Consulting is a team of highly skilled professionals is committed to delivering exceptional services in Architectural Forensics. They are a trusted forensic and consulting company with over 50 years of combined professional experience throughout the US. ArchiForensics offers a range of expert witness, building-related claim defense, building enclosure commissioning, architectural review consulting, and due diligence actions for property acquisition.

Litigation Support - Architectural Forensics Consulting opines on professional practice issues, Architect’s standard of care, contract dispute, breech of duty, and other practice areas often encountered in claims involving the Architect’s performance or construction related issues. With years of experience and a team of experts who are actively practicing Architects with current AIA, NCARB, BECxP, and CSI accreditations, they provide top-notch analysis and reporting to help clients make informed decisions about their particular case or project.

Areas of Expertise:

Building Design and Construction Architectural Review Construction Defects Building Enclosure Failure Property Condition Assessments ADA Evaluations Water Infiltration

Roof Failure Window Failure Microbial Growth / Mold Failure Analysis Slip Trip & Fall Moisture / Condensation Issues Flood Damage, Building Inspection

Dan Weekes, AIA, NCARB, BECxP, CxA+BE, has over 25 years of Architectural and Engineering Building Envelope and consulting project management as well as litigation and deposition proceedings.

Mr. Weeks is responsible for many different types of investigations, forensic evaluations, and providing consulting services surrounding all areas of building design and construction. His focus is serving as an expert witness, building enclosure evaluations and commissioning, water infiltration investigations, architectural review consulting, property condition assessments, ADA evaluations, and construction administration services associated with construction and design.

As a licensed Architect, he also has experience with the design of new facilities and the implementation of repair programs to existing residential, commercial, and institutional facilities.

Jim Stutzman, AIA, NCARB, CSI has over 45 years of exceptional Building Construction and Investigative Design work with an emphasis on expert litigation cases and design coordination.

Mr. Stutzman is a Forensic Architect providing forensic analysis of building related claims, moisture intrusion claims, component problem and failure analysis, standard of care evaluation, dispute resolution, construction products liability, investigative analysis, reconstruction, cost-impact analysis and supporting documentation, timelines, and exhibits supporting claims for losses and remedy determination in courtroom and private settlements.

Forensic consulting services are focused on defense attorneys, insurance companies, financial institutions, developers, municipalities, and private clients.

View Architectural Forensic Consultants Business Consulting Profile.

ARCHforensic specializes in providing Forensic Architecture, Forensic Engineering, and Construction Claims Services to help clients navigate the construction litigation process. While construction is complex, their experienced forensic architect and engineer professionals understand client needs and objectives. They are focused and committed to excellence in each project while exceeding expectations.

Christopher D. Ling, IA, NCARB, PP, LEED AP, is a Forensic Architect with extensive experience in construction litigation, risk management, and architectural design. He specializes in analyzing and resolving complex construction disputes, having written reports for over 1,000 cases involving $1 billion in claims. He has testified in mediations, arbitrations, and federal court cases.

Mr. Ling has an ability to distill and communicate intricate design and construction issues clearly has been instrumental in mediation, arbitration, and court proceedings. He has a hands-on approach to conducting physical inspections, preparing expert reports, and analyzing construction claims, which further solidifies my qualifications.

Areas of Expertise

Forensic Investigations Cost Estimating Construction Administration Architectural Risk Assessment Risk Management ADA Compliance

Code Analysis Building Envelope Master Planning Physical Inspections Construction Disputes Construction Defects

Background Experience - Mr. Ling has been involved in the construction industry since 1986, holding multiple architectural licenses and national certifications. His experience spans forensic investigations of construction defects, code analysis, master planning, and risk management for projects of all scales. Additionally, Mr. Ling published a book on the Architect’s Standard of Care and have presented seminars for legal and professional organizations.

Dennis Fivecoat has over 25 years of Use of Force and Firearm experience in the Military (20 years, retired) and private sector including significant training in the area of Civilian Law Enforcement.  He has attended numerous firearm and use of force related training courses including instructor development with local and federal law enforcement agencies, tactical firearm, close quarters battle, concealed carry, force-on-force training, use-of-force, and legal updates.

Litigation Support - As an instructor-trainer (Master Instructor) in firearms and less lethal devices (pepper spray, expandable baton, defensive tactics, handcuffing), Mr. Fivecoat has a practical and academic basis in the use of deadly and less-lethal use of force by civilians.  His experience teaching firearm use, defensive tactics, and use-of-force allow him to provide opinion on not only proper use of the tool or tactic utilized, but whether the actions were reasonable under the circumstances of the incident.

Mr. Fivecoat provides consultation and testimony on the reasonable use of force, self-defense, and defense of others. Private citizens may become involved in situations (shootings, brandishing, threats with weapons, excessive force, false arrest, false imprisonment) where the reasonableness and legality of their actions are challenged. Review of actions taken, firearm use, and the education of the expert provide the foundation for determining the reasonableness of each parties’ actions. Mr. Fivecoat will review the incident and opine based on local law, training standards, and the reasonableness of the use of force under the circumstances and conditions of the incident. 

Areas of Expertise:

Reasonable Use of Force Excessive Force Local Law Training Standards Firearms Tactical Firearms Firearm Brandishing Pepper Spray Expandable Baton

Defensive Tactics Threats with Weapons Handcuffing Close Quarters Battle Conceal Carry Self Defense Defense of Others False Arrest False Imprisonment

Background - Dennis Fivecoat is a retired US Army physician assistant with a wide variety of functional background and experience. He has seen service in eight different countries encompassing desert, jungle, snow, and maritime missions. His past responsibilities range from combat in SW Asia to hospital duties as an ICU nurse in South Carolina. He has responded during national hurricane relief efforts and somewhat smaller Defense Support to Civil Authority (DSCA) missions. Click for Full Biography.

View Dennis Fivecoat's Consulting Profile.

Edward J. Priz, CPCU, APA, has worked full-time in the Insurance Industry since 1976. In 1982, he also began consulting on commercial property and casualty insurance, and Workers Compensation insurance premium charges, and in 1987 established his own consulting firm to specialize in those fields, as Advanced Insurance Management. 

Mr. Priz holds the professional designation Chartered Property Casualty Underwriter (CPCU) from the American Institute of Property and Liability Underwriters, as well as the designation Associate in Premium Auditing, from the Insurance Institute of America. 

Litigation Support - Mr. Priz has been retained by policyholders, insurance agents and brokers, insurance companies, and a premium audit firm as an expert witness in his field, both as a consulting expert and as a testifying expert. He serves as an expert witness to counsel for Plaintiff and Defense and has testified in federal and state courts and arbitrations in California, Colorado, Connecticut, Delaware, Illinois, Florida, Louisiana, Mississippi, Nebraska, New Jersey, New York, Ohio, Pennsylvania, Tennessee, Texas, and Virginia. He is a member of the Forensic Expert Witness Association and currently serves as Vice-President of the Chicago chapter of that organization. He is also a member of the Society of Chartered Property Casualty Underwriters, and the National Society of Insurance Premium Auditors. 

Mr. Priz has also consulted on the drafting of legislation pertaining to Workers Compensation insurance in Illinois and has testified on insurance regulation before the Illinois legislature. He is the author of three books on the subject of Workers' Compensation insurance.

 

Edward Priz Expert Witness Services

Areas of Expertise:

Workers Compensation Insurance Premiums Audits Classifications Experience Modification Factors Retrospective Rating Large Deductible Policies Payroll Audits NCCI Manual Rules Insurance Agent / Broker Standards of Care Commercial Property & Casualty Insurance Coverage

NCCI classification Rules Experience Rating NCCI Rules and Procedures Retrospective Rating Large Deductible Policies Workers Compensation Appeals Agent Errors and Omissions Insurance Auditor Duties and Errors NCCI Inspections Independent WC Rating Bureau Rules

View Edward Priz's Consulting Profile.

Paul M. Adler, DO, FACEP, MBA, Medical Director for the Ventura County, California, Department of Corrections, has worked in Correctional / Jail / Prison Medicine & COVID-19 Preparation & Response. He has overseen the care of inmates in Jails in California and New York, as well as Prison inmates who have been transferred to county facilities to serve their terms for years in county jails in California. He has also overseen Correctional health car in locked units in Hospitals . 

Dr. Adler is the President-Elect of The American Correctional Health Services Association of California / Nevada, which represents all clinicians and administrators in Jails/Prisons in California and Nevada. He previously oversaw a County Hospital, County Nursing Home and ran a County Health Department and oversaw Correctional healthcare for the Westchester, New York Jail.

Litigation Support - Dr. Adler has defended Jails and Prisons in Southern California, Idaho, Texas, North Carolina, New York, Pennsylvania, etc. He is currently the expert consultant to the California Prison System for Covid litigation and the medical consultant to the judicial consent decree overseeing care in the Philadelphia Department of Prisons. He also served as the expert consultant to the ACLU for Covid in the Illinois Department of Corrections

Dr. Adler still works as a full-time practicing physician and has helped attorneys and insurance companies in Emergency Medicine, Nursing Home Medicine, Public Health and Hospital Administration since 1985. He has been involved in Plaintiff litigation in many states including against Rikers Island, NY and Cook County Jail and is available to review and consult on clinical Correctional/Jail/Prison cases for attorneys for both Plaintiff and Defense.

Services:

• COVID-19 Preparation & Response
• Medical Oversight of Federal Consent Decrees
• Screen Cases for Merit
• Review, Analyze and interpret Medical Records
• Provide Basic or Comprehensive Written Reports
• Interpret Standards of Care, Deviation and Adherences as they Relate to Correctional Health Care
• Develop Chronological Time Lines
• Policy and Procedure Development