Standard of Care Expert Witnesses: 122

Dr. Roy G. Taylor is a current Chief of Police with over 40 years of experience in a wide-range of federal, state, local, and private criminal justice positions. Dr. Taylor specializes as an expert witness in Police Practices and Procedures and Law Enforcement and Criminal Justice. Current Positions:

• Chief of Police Blue Ridge Public Safety (2014)
• President/CEO Signal 88 Security of Charlotte (2012)
• President/CEO Capitol Special Patrol (2012)
• Chief of Police Capitol Special Police (2002)
• Lt. Colonel – Provost Marshal, Army National Guard (2000)
• Antiterrorism / Emergency Management Branch Chief DoD (2007)
• Provost Marshal Joint Civil Support Task Force, Joint Chiefs of Staff (2014)

Litigation Support - Dr. Taylor is called upon to analyze cases from both defense and plaintiff perspectives. His services include case review, written reports, deposition, and trial testimony as needed. 

Areas of Expertise:

Police Standards & Practices Use of Force & Deadly Force Electronic Control Devices Standards of Conduct High Speed Vehicle Pursuits & Chases Law Enforcement Policies and Procedures

Failure to Train Law Enforcement Malpractice Failure to Supervise Violations of §1983 Civil Rights Personnel Selection & Retention Police K-9

View Roy Taylor's Consulting Profile.

Richard M. Teichner, CPA, ABV, CVA, MAFF, CFF, CRFAC, CRFAU, DABFA, CGMA, CDFA, licensed in both Nevada and California, has over 45 years of experience in public accounting, and for approximately 25 of those years his areas of practice have been primarily providing expert services and consulting services in business litigation and family law matters. With offices in Reno and Las Vegas, Nevada, Mr. Teichner's practice extends to various jurisdictions throughout the United States.  Although Mr. Teichner's services are mainly weighted toward complex business litigation and divorce matters, they also include performing valuations of businesses and business interests for estate tax and gifting purposes and for buy-sell situations. Clients have been both businesses and individuals involved in various industries, such as manufacturing, distribution, retail sales, construction, real estate development, and transportation, and in professional practices, e.g. medical, law and accounting, and other service businesses.

Litigation Matters - Expert services are provided to business litigation and family law litigation attorneys representing either plaintiffs or defendants. Presently, Mr. Teichner has testified 50 times at trial and 47 times at depositions. He has been engaged as a testifying expert or consultant in a variety of complex business litigation and family law matters. Such matters have involved forensic accounting, damages claims; contract disputes; disputes among business owners; fraud, including white collar crime; breaches of fiduciary duty; standards of care; and personal injury and wrongful death.  Family law matters have involved property division, tracing, marital waste, alimony, business valuations, and tax implications of divorce.

Additionally, Mr. Teichner provides receivership services.

Areas of Expertise:

Economic Damages / Lost Profits Forensic Accounting Financial Fraud Personal Injury / Wrongful Death Damages Divorce and Family Law Matters

Business Valuations / Appraisal Franchise Valuation Intangible Assets Appraisal White Collar Crime Standards of Care; Breach of Fiduciary Duties

Reno Office 3500 Lakeside Ct, Suite 210 Reno, Nevada, 89509 Telephone: (775) 828-7474 or (775) 530-5106

Las Vegas Office 8275 S. Eastern Avenue, Suite 200 Las Vegas, Nevada 89123 Telephone: (702) 724-2645 or (702) 467-8335

Continental Who’s Who 

Executive Press Release

WILLEAM A. CHOBY, DMD - DENTIST. FOUNDER

Greensburg, PA - Prominently featured in Continental Who's Who, Willeam A. Choby, DMD is acknowledged as 2025 Dentist of the Year for his contributions to Dentistry.

Dr. Willeam A. Choby,  a renowned dental professional in implant dental surgery and reconstruction of the teeth continues to make significant strides in the field of dentistry. With a career dedicated to advancing oral health, Dr. Choby is integrating his extensive clinical expertise with innovative public health principles to improve patient outcomes and community well-being.

Dr. Choby received his Bachelor’s degree and Dental Medicine Doctor (DMD) from the University of Pittsburgh, followed by General Practice residency and appointment as Chief Dental Resident at Brookdale Hospital Medical Center in Brooklyn New York. He also earned a continuing education degree of Masters of the Academy of General Dentistry (MAGD) Complementing his dental credentials, he holds a Master of Public Administration (MPA), which enhances his ability to address oral health challenges through a public health lens. His master’s thesis “Licensure and the Dental Market” from Virginia Tech continues to stimulate the dialogue in the various state boards of dentistry.

Dr. Choby is an active member of the International Congress of Oral Implantologists (ICOI) where he earned a Diplomate degree (DICOI) and a Fellow in the International College of Cranio-Mandibular Orthopedics (FICCMO).

Dr. Choby is frequently called upon to provide his expertise on public health matters, second opinions,  peer review and malpractice questions.  He has testified in court over a dozen times and has participated in dozens of sworn depositions. 

A skilled clinician with a particular focus on dental implants and neuro muscular dental bite relations, Dr. Choby emphasizes a collaborative approach in his practice. "Teamwork between the dentist, patients, and their financial abilities along with other health professionals is essential for achieving optimal care," he explains. His patient-centered philosophy reflects his dedication to fostering trust and communication, ensuring each treatment plan is tailored to individual needs

View Dr. Choby's Consulting Profile.

Janet Grace Attard, RN IV, RNC-MNN, NRP Instructor, High-Risk OB Nurse (NICU, PP, L&D), OB Professor of Nursing.  

Ms Janet Grace Attard has over 30 years of High-Risk Acute Nursing at a variety of top teaching Hospitals throughout the United States (Johns Hopkins Cancer Center, University of Maryland Laminar Flow-Cancer Research Unit, Sloan Kettering Research Bone Marrow Transplant Unit, Stanford Children’s Hospital Bone Marrow Unit, etc.

Ms. Attard provides confidential, timely, accurate consultation, litigation support, and expert witness service to attorneys, insurance companies, and multi-system hospital organizations. Jan offers thorough, detailed, fact-based medically significant chronologies, concise, factual analysis of medical records, and relevant health care documentation review in collaboration with the legal team in preparation for deposition and or trial with prompt, efficient identification of breaches in the relevant Standard of Care accurate case analysis and issue spotting. 

Ms. Attard is experienced, concise, thorough, and timely in the expert review and chronology reporting of cases involving hospital sentinel events.  

Real Estate Brokerage Expert, Manager, Educator

Jane Trust Ryan has over 27 years of experience as a licensed Real Estate professional. She has served as a Real Estate Brokerage Leader, Compliance Officer, and Transaction Manager. Shé has over 20 years of experience training 1,000+ agents in agency, law, contracts, negotiation, disclosure, compliance, and other real estate-related topics across various brokerage models. 

Ms. Trust Ryan is currently licensed as a Broker in NY, NJ, and PA, with past licenses in MD, DC, and VA. She has managed offices with 100+ agents and currently serves as Broker of Record within a network of over 400 agents.

Litigation Support - As an expert witness, Ms. Trust Ryan helps clients navigate the complexities of real estate lawsuits. She specializes in providing clear, actionable insights through thorough research and expert analysis. Her goal is to equip clients with the knowledge and information they need to make informed decisions and achieve the best possible outcomes in their legal matters.

Areas of Expertise

Real Estate Standards of Care Real Estate Brokerage Management Brokerage Agreements Real Estate Contracts Agency Fiduciary Duties Compliance Disclosure

Code of Ethics Due Diligence Real Estate Education Agent Supervision Training & Recruiting Fair Housing Agent Misconduct Broker Malpractice Real Estate Fraud

Max Holmes has over 40 years of experience in Finance as a portfolio manager, research analyst, board member, lawyer, NYU Professor and expert witness.

Mr. Homes has been an Adjunct Professor of Finance at the Stern Graduate School of Business at New York University, teaching “Bankruptcy and Reorganization” since 1993.  He has been the Chief Investment Officer / Lead Portfolio Manager for two large hedge funds ($2.7 billion and $5.4 billion of peak AUM) as well as an insurance company portfolio and a mutual fund portfolio.

 The funds invested in credit, capital structure arbitrage, distressed debt, rescue finance, direct lending, specialty finance, event stocks and special situations securities, including long and short positions. The funds invested across the capital structure: bank debt, DIP loans, second lien debt, secured and unsecured bonds, floating rate and fixed rate notes, trade claims, preferred stock, common stock, put and call options and credit default swaps (CDS). Investments were in a variety of businesses, public and private, including startups, venture capital, infrastructure, leveraged buyouts, private equity, turnarounds, restructurings, bankruptcies and liquidations. Direct lending was conducted through a Business Development Company (BDC) ($1 billion assets under management). Mr. Holmes has analyzing thousands of companies and investment opportunities over his career.

Areas of Expertise:

Annuities Antitrust Arbitration Bankruptcy Business Litigation Business Valuation Class Action Contract Disputes Corporate Governance Cryptocurrency and Bitcoin Due Diligence (Investments) Economic Damages Health Insurance Hedge Funds Investment Banking

Investment Management Lending & Risk Management Leveraged Buyouts Lien Enforcement Life Insurance Loan Trading Mediation Mergers and Acquisitions Private Equity Investing Reinsurance Securities / Stock Litigation Securities Arbitration / Mediation Turnaround Management & Investing Wall Street Custom and Practices View More Specialties

Mr. Holmes has been the Chair and CEO of a life, health and annuity insurer and reinsurer and has been an independent director of a large bitcoin mining company. He worked in investment banking, research, trading and capital markets at Drexel Burnham Lambert, Salomon Brothers, NatWest Markets and Royal Bank of Canada. Since 2015, Max Holmes has been a Senior Advisor to American Industrial Partners LLC, a private equity firm with $16 billion of AUM.

Dan W. Wall, BSME, specializes in the fields of Accident Reconstruction, Biomechanics and Motor Vehicle Injury Causation, Human Factors, and Injury Prevention in Motor Vehicle Design. Mr. Wall is fully accredited with ACTAR (Accreditation Commission for Traffic Accident Reconstruction), ACTAR No. 1140.

Dan Wall has conducted scientific and engineering analysis of motor vehicle collisions since 1987 for both plaintiff and the defense in civil and criminal cases. A qualified expert witness since 1987, he has offered litigation support services to insurance companies and attorneys in Arizona, California, Colorado, Tennessee and Louisiana and has testified in both Civil and Federal Courts.

Mr. Wall's past cases have involved commercial vehicle design and analysis, insurance investigations, low speed collisions and injury analysis, motorcycle collisions and rider analysis, vehicle handling and dynamics, seat belt analysis and injury mitigation, tire failures and rollover analysis, general accident reconstruction, and roadway analysis. He has conducted human factor analysis including reaction and perception, environmental effects, and general driver behavior. With a large library and the tools needed to do all types of motor vehicle reconstruction investigations, Mr. Wall is an asset to any team.

Dan Wall currently owns and rides a Harley Davidson Ultra Electra Glide Classic motorcycle and has gone through various levels of motorcycle training. He also has extensive experience as a boat operator and Marine Instructor.

For more information, visit www.wallaccidentreconstruction.com

Also view Dan Wall's article in Attorney At Law Magazine at http://attorneyatlawmagazine.com/phoenix/2014/01/17/accident-reconstruction-expert-dan-wall/

Areas of Expertise:

Mechanical Engineering Biomechanics Human Factors Accident Reconstruction Failure Analysis Forensic Investigation Motor Vehicle Design Dynamics and Handling Motorcycles Commercial Vehicles Rollovers Signage

Conspicuity Low Speed Collisions Marine Safety Bicycles Slip and Fall Accidents Pedestrians Accidents Tire Failure Seat Belt Issues Road Defects Off Road Driving Accidents Construction Zones Product Liability

View Dan Wall's Consulting Profile.

Jeffrey Phillip Weinstein, AIA, a California licensed Architect since 1982, with Masters Degree in Real Estate Development from USC, has been involved in the development, design and construction of office buildings, high-rise condominiums, multi-family residential podium-type projects, retail, neighborhood shopping centers and regional malls, hotels and resorts, hospitals, and schools (K-12 and University).

Expert in real estate development, government approvals, entitlements & permits, architect's standard of care, construction management, claims & defects, A/E/C agreements. Expertise includes building envelope & water intrusion, zoning & building codes, errors/omissions, destructive testing & repair, schools (DSA), hospitals (OSHPD), condominiums, commercial/retail/mixed-use projects, high-rise structures, hotels & resorts. Previous employers include Nadel and Callison Architects, Tishman Construction, Trammel Crow Company, Kaiser Permanente, and California State University.

Professional Licenses / Certifications / Affiliations:

• California Registered Architect, License #12822
• Member, American Institute of Architects, Urban Land Institute, Construction Specification Institute, and Society for Marketing Professional Services
• Member, North Santa Barbara County Board of Architectural Review

Litigation Support: Jeffrey Weinstein has been retained as an expert witness as Owner's Representative, Construction Manager, Contract Administrator, Project Manager and Architect by Developers, Builders, Institutional Owners (Hospitals & Schools), Municipalities, and Corporate Clients. Mr. Weinstein provides professional Architectural and Construction Expert Witness opinion, testimony and services on matters, such as:

Architectural Forensic Architectural Construction Management Building Code Requirements Construction Industry Standards Professional Standard of Care Design Defects, Errors & Omissions

Construction Defects & Failures Architectural Practice & Peer Review Construction Claim Evaluation Change Order Analysis & Cost Overruns Zoning Entitlements, Land-Use, and Permitting Project Delivery - Fast-Track, Design-Build, GMP Design & Construction Accident Claims

View Jeffrey P. Weinstein's Consulting Profile.

Clinton F. Merrill, Jr., MD, has over 35 years of experience in clinical Internal Medicine and 28 years of experience in Medical Oncology and Hematology. Dr. Merrill is experienced in the diagnosis and treatment of all solid tumors as well as the full range of hematologic malignancies. He has special expertise in benign hematology including: anemias, low blood cell counts, iron overload disorders, bleeding and clotting disorders. Litigation Support - Dr. Merrill offers expert witness services to counsel representing Plaintiff and Defendant. His services include medical record review, written reports, depositions, and trial testimony. Dr. Merrill takes pride in providing thorough record review, meticulously researched reports reflecting unbiased opinions, and excellent communication skills with the ability to make the complex understandable. Areas of Expertise:

Breast Cancer Colon Cancer Lung Cancer Tumors Leukemias Lymphomas

Myeloma Myeloproliferative Disorders Myelodysplastic Syndromes Benign Hematology Anemia Bleeding and Clotting Disorders

James M. Wheeler, MD, MPH, JD, magna cum laude in Biology / Psychology from Harvard, is an OB/GYN trained at Baylor, with subspecialty training in Reproductive Endocrinology / Infertility at Yale. He is also a graduate of the Robert Wood Johnson Clinical Scholars Program at Yale, focusing upon clinical epidemiology and biostatistics and health policy. He also earned his MPH at Yale majoring in Biostatistics, minoring in Maternal/Child Health. He graduated from the University of Houston Law Center with a JD in 2005, and was invited to join the Health Law division there. He has completed ADR training, having completed training programs separately in mediation, and arbitration.

Dr. Wheeler is a former national officer of the American College of Obstetricians and Gynecologists (ACOG), and served on several of their health policy committees including the Health Care Commission and the Hysterectomy Committee. He has published over 40 peer-reviewed papers on a wide array of topics in ob/gyn, with a particular emphasis on methodology. He has given over 200 invited lectures to ob/gyns, reproductive endocrinologists, radiologists, midwives, nurses, surgical technologists, law students et al. He sees himself first and foremost as a caregiver, and second to only that, as a teacher.

Dr. Wheeler has consulted in several hundred medicolegal matters for over 20 years, mostly in ob/gyn, but including family practice, internal medicine and several of its subspecialties, general surgery and several of its subspecialties, and dermatology. He has been a testifying expert before the FDA for drugs and devices, and has testified before U.S. Congressional staffers on health policy issues. He reviews for attorneys from both plaintiff and defense bars, as well as insurance companies (e.g. Pro-Assurance), and health plans (e.g. Harvard Community Health Plan). He has helped with Board of Medicine reviews, and constructing/defending class action suits. The combination of his training in medicine, basic and clinical research, clinical epidemiology, biostatistics and law make him a uniquely qualified person to review the complex issues of medicolegal cases.

Dr. Wheeler is a qualified first-reviewer, and a convincing expert during testimony. He has never been excused from a case as insufficiently expert.

Areas of expertise:

Gynecologic surgery Forceps / Vacuum Uses/ Complications Fetal Stress vs. Distress Cesarean vs. Vaginal Birth Shoulder Dystocia Pregnancy induced Hypertension / HELLP Syndrome Hysterectomy: Indications and Complications

Preterm Labor Incompetent Cervix Endometriosis Pelvic Adhesions Leiomyomata Uteri Infertility Advanced Reproductive Technology (IVF)

Jonathan Wiesen, MD received training in Pulmonary and Critical Care Medicine with a special focus on Medical Ethics.

Dr. Wiesen is currently a Pulmonary and Intensive Care Attending Physician at Community Intensivists where his duties include general clinical care and workflow organization and protocol authorship. He also serves as a Medical Technology Analyst at OurCrowd where he is responsible for the Scientific and financial assessment of medical technology start up companies and provides multi-disciplinary interactions for assessments and investments.

Dr. Wiesen has extensive academic experience with over 75 publications, including first authorship on over a dozen full length manuscripts. He has been honored with the Teaching Excellence Award from the Cleveland Clinic, a non-profit academic medical center, which provides clinical and hospital care and leads in research, education, and health information. He also received the Best Abstract Award, Critical Care session, at the ACCP CHEST annual conference in 2014.

Litigation Support - Dr. Wiesen provides expert witness services to attorneys representing plaintiff and defendant. His services include medical record review, written reports, depositions, and trial testimony as needed.

Areas of Expertise:

Cardio-Pulmonary Hemodynamics Respiratory Physiology End of Life Sepsis / Septic Shock Pneumonia COPD Asthma Life Support

Mechanical Ventilation Smoking Related Diseases Interstitial Lung Disease Pulmonary Hypertension Lung Transplantation Biomedical Ethics Conflict Resolution Triage

Jeffrey M. Wilder, DC, DABCO, FICC, has over 42 years of experience as a Chiropractor, and 38 years in private Chiropractic Practice. Engaged in private family-oriented practice as a chiropractor in Madison, Wisconsin since 1981, Dr. Wilder has completed a post-doctorate program in chiropractic orthopedics from National College and is a Board Certified Chiropractic Neuromusculoskeletal Specialist, a Diplomate of the American Board of Chiropractic Orthopedists, and a Fellow of the International Academy of Neuromuscular Medicine. This program is successfully completed by less than 1% of the nation’s chiropractors. 

Dr. Wilder has also been certified by the American Chiropractic Association Sports Council as a Certified Chiropractic Sports Physician, a 120-hour certificate program dealing with sports training, and the treatment and prevention of sports injuries. He has completed state requirements in physiological therapeutics, surface EMG, and clinical nutrition, among others.

Dr. Wilder has also served as an officer on the Board of Directors for the Congress of Chiropractic State Associations, which commissioned the chiropractic profession’s first nationwide clinical protocol, known as, Guidelines for Chiropractic Quality Assurance and Practice Parameters: Proceedings of the Mercy Center Consensus Conference, 1993, Aspen Publishers, Gaithersburg, MD.  

A Past President of the 1,800 member Wisconsin Chiropractic Association, Dr. Wilder had one of the longest terms (6 years) in the 100+ year history of the organization. He currently serves as the representative for the chiropractic profession to the Wisconsin Medicare Carrier Advisory Commission.  He has also been a consulting expert to the state of Wisconsin's Worker's Compensation Division for the past 22 years.

Dr. Wilder has taught extensively to chiropractors around the country, providing continuing education. He has been a frequent spokesperson for chiropractic in the press, television and radio, including regular appearances on statewide Wisconsin Public Radio.

Litigation Support: Dr. Wilder has extensive experience over the past 29  years as a court-recognized Chiropractic Expert throughout the United States and Puerto Rico. Dr. Wilder has served as an expert in over 300 cases of alleged Chiropractic Malpractice, Motor Vehicle Accidents and Fraud Review.   He has reviewed and testified in court for both plaintiffs and defendants in cases involving chiropractic treatment, including claims of:

Chiropractic Standard of Care Clinical Malpractice Negligence Sexual Boundary Issues License Issues Disciplinary Actions

Fraud Review Informed Consent Documentation Worker's Compensation Diagnosis / Evaluation Management

Merrill S. Wise, MD, is Board-Certified in Psychiatry and Neurology with special qualifications in Child Neurology, and he is certified by the American Board of Sleep Medicine. Involved in the full-time practice of sleep medicine, Dr. Wise has evaluated and managed the full range of Sleep Disorders since 1991.

Dr. Wise evaluates children, adolescents, and adults with the full range of sleep problems and disorders. He is involved with supervision and interpretation of polysomnography (sleep studies), Multiple Sleep Latency Tests (MSLT), Maintenance of Wakefulness Tests (MWT), and integration of these findings with the clinical history in order to develop a diagnosis and treatment plan.

Because of the population served in Memphis, Dr. Wise evaluates a large number of pilots (FedEx world hub), air traffic controllers, commercial drivers and barge pilots, rail engineers, and shift workers. He is experienced in the treatment of obstructive sleep apnea (OSA), narcolepsy, and other disorders of excessive sleepiness, insomnia, circadian rhythm sleep disorders, restless legs syndrome, and parasomnias.  This expertise and experience allows him to analyse and provide valuable opinions on a wide range of sleep-related legal issues.

Litigation Support - Dr. Wise has reviewed a wide variety of cases involving both neurology and sleep medicine for greater than 20 years including report generation, testimony at deposition, and at trial. He has served on numerous national task forces and committees, as well as the Board of Directors of the American Academy of Sleep Medicine (AASM). These experiences have exposed him to the full range of sleep disorders, as well as healthcare systems, best practices and evidence-based standards of care, policies, and the legal aspects of sleep problems and disorders. 

Special Interest and Expertise:  

• Individuals with Excessive Daytime Sleepiness
• Downstream Effects of Sleepiness on
  • Cognitive Function
  • Driving
  • Safety
  • Work
  • Behavioral Regulation

Fred Beck, DC, with over 45 years in practice, performs Chiropractic Medical Malpractice Reviews, Expert Witness, IME's (1500+), Peer Reviews (7500+). Dr. Beck allows videotaping and observers in room if requested by patient / claimant. Zero IME's and Peer Reviews have gone to deposition or court. Licensed in New York & Florida. Past Public Relations Director of Broward County Chiropractic Society. Chiropractor of the Year (Broward County). Writer, lecturer, ringside physician, Pharm patent etc.

Marilyn McCullum, BSN, RN, CEN, is a certified Emergency Nurse with peer-reviewed publications, speaking engagements, and testifying experience. She specializes in emergency nursing, general nursing care, medical documentation bias, and medical products as an end-user. She stays active in her clinical position and teaches her peers about documentation and triage.

Ms. McCullum's expert opinions are unbiased, neutral, and fact-based, following the national Standard of Care.