Medical Causation Analysis Expert Witnesses: 48

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.

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

Dr. Ariel F. Grajales-Cruz, triple board-certified in Internal Medicine, Hematology, and Medical Oncology, specializes in multiple myeloma and advanced immunotherapies. An Assistant Member at Moffitt Cancer Center and USF faculty, he offers expert witness testimony, malpractice review, and litigation support. Author of 20+ publications, he lectures worldwide and is fluent in English, Spanish, and French.

Expertise in Myeloma, CAR-T, Immunotherapy & Malpractice Cases.