Dr. Patrick T. Ronaldson, PhD, FAAPS
Tucson, AZ 85747
Office: 520-861-5324
Dr. Patrick Ronaldson is an expert pharmacologist and researcher with extensive experience in pharmacology and toxicology including specific areas such as pharmacokinetics, pharmacodynamics, drug metabolism, drug-drug interactions, and adverse drug reactions. He has experience as an expert witness in criminal trials, civil litigation including medical malpractice cases, intellectual property matters related to drug discovery/development, and pharmaceutical patent litigation. He has worked on over 30 cases as an expert witness and has provided deposition and/or trial testimony in several of these matters. Dr. Ronaldson has currently published over 50 peer-reviewed research manuscripts and 7 book chapters. His laboratory is presently funded by the National Institutes of Health (i.e., National Institutes of Neurological Diseases and Stroke; National Institute on Drug Abuse) to conduct translational studies aimed at developing novel strategies to treat neurological diseases and limiting adverse events associated with centrally acting drugs.
In addition to research responsibilities, Dr. Ronaldson currently teaches pharmacokinetics, pharmacodynamics, drug metabolism, and pharmacogenomics to medical students at the University of Arizona College of Medicine and pharmacology, toxicology, neuropharmacology, drug discovery, and drug safety to graduate-level students (i.e., MS and PhD) at the University of Arizona. Dr. Ronaldson is the past chair of the Drug Discovery for the Nervous System (DDNS) study section of the NIH and is an active member of several professional organizations including the American Association of Pharmaceutical Scientists (AAPS), the American Society of Pharmacology and Experimental Therapeutics (ASPET), the American Heart Association (AHA), and the International Society of Cerebral Blood Flow and Metabolism (ISCBFM). His contributions to the pharmaceutical sciences were recognized by AAPS via elevation to fellow status in October 2023.
- Drug Abuse
- Medical Malpractice
- Medical Toxicology
- Neuropharmacology
- Pharmacology
- Q: Please list your professional accreditations, degrees, licenses, and certificates granted:
- A: Ph.D. - Pharmaceutical Sciences, Leslie Dan Faculty of Pharmacy, University of Toronto (2007)
B.Sc. - Pharmacology (with distinction), University of Toronto (2000) - Q: Please list your affiliations or memberships in any professional and/or industry organizations:
- A: I am a member of the following profession organizations:
American Association of Pharmaceutical Scientists (AAPS) - elevated to fellow status in 2023
American Heart Association (AHA)
American Society of Pharmacology and Experimental Therapeutics (ASPET)
International Society of Cerebral Blood Flow and Metabolism (ISCBFM)
- Q: Please list any teaching or speaking experience you have had, including subject matter:
- A: Teaching experience:
Doctor of Medicine Program, College of Medicine, University of Arizona (Tucson, AZ) - topics include pharmacokinetics, pharmacodynamics, drug metabolism, pharmacogenomics, drug safety and toxicology.
Graduate Programs (MS and PhD), College of Medicine, University of Arizona (Tucson, AZ) - topics include pharmacokinetics, pharmacodynamics, drug metabolism, pharmacogenomics, toxicology, adverse drug events, drug-drug interactions
Speaking Experience:
Over 25 Invited presentations on pharmacology at other universities as well as at national and international scientific meetings. These presentations have encompassed research in Dr. Ronaldson's laboratory and their significance with respect to treatment of neurological diseases such as stroke, pain, and drug addiction.
- Q: Have any of your accreditations ever been investigated, suspended or removed? (if yes, explain)
- A: No
- Q: On how many occasions have you been retained as an expert?
- A: Dr. Ronaldson has been retained in more than 30 cases since 2012 when he started doing expert witness work.
- Q: For what area(s) of expertise have you been retained as an expert?
- A: Pharmacology, Toxicology, Drug-Drug Interactions, Adverse Drug Events, Drugs of Abuse, Opioid Pharmacology, Effects of Drugs on the Brain
- Q: In what percentage of your cases were you retained by the plaintiff?
- A: Dr. Ronaldson has been retained by the plaintiff in 65% of his cases.
- Q: In what percentage of your cases were you retained by the defendant?
- A: Dr. Ronaldson has been retained by the defendant in 35% of his cases.
- Q: On how many occasions have you had your deposition taken?
- A: Dr. Ronaldson has been deposed a total of 14 times.
- Q: When was the last time you had your deposition taken?
- A: Dr. Ronaldson's most recent deposition was May 20, 2024.
- Q: On how many occasions have you been qualified by a court to give expert testimony?
- A: Dr. Ronaldson has been qualified by a court to provide expert testimony on 17 occasions.
- Q: On how many occasions have you testified as an expert in court or before an arbitrator?
- A: Dr. Ronaldson has testified as an expert in court or before an arbitrator on 6 occasions.
- Q: For how many years have you worked with the legal industry as an expert?
- A: Dr. Ronaldson has worked as an expert with the legal industry since 2012 (12+ years).
- Q: What services do you offer? (E.g.: consulting, testing, reports, site inspections etc.)
- A: Dr. Ronaldson offers the following services as part of his expert witness practice:
Consulting
Record/Document Review
Preparation of Written Reports - Q: What is your hourly rate to consult with an attorney?
- A: $450.00
- Q: What is your hourly rate to review documents?
- A: $450.00
- Q: What is your hourly rate to provide deposition testimony?
- A: $450.00
- Q: What is your hourly rate to provide testimony at trial?
- A: $450.00
- Q: Please list any fees other than those stated above (E.g.: travel expenses, copy fees, etc.)
- A: In addition to the fees listed above, Dr. Ronaldson will charge for reasonable travel expenses to a deposition or trial should they be required. Please note Dr. Ronaldson does not bill for time spent in transit to provide testimony.
Available Upon Request