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Our Team

TriMetis has recruited an elite staff with extensive experience providing contract services related to medical device and drug development. Our staff has expertise in the areas of veterinary medicine, surgery, care and welfare, GLP and FDA compliance, biologistics and biospecimens and Six Sigma and Lean Laboratory.

Scientific Team

Timothy Mandrell, DVM, DACLAM

Dr. Mandrell ensures that all research programs and policies are consistent with the Guide, PHS Policy and federal welfare regulations. He has extensive  expertise in the areas of regulatory compliance, biosafety, experimental design, pharmacology, analgesia and infectious diseases. Dr. Mandrell is a diplomate of ACLAM and author or co-author of over 60 published articles, abstracts and book chapters. In addition to his role with TriMetis, he is also the Chair and a Professor of Department of Comparative Medicine at University of Tennessee Health Science Center. Previously, he served as the Veterinary Medical Officer and Senior Staff Veterinarian for the USDA.


David Hamilton, DVM, DACLAM

Dr. Hamilton has expertise in veterinary diseases, quarantine and health surveillance programs, experimental design, breeding and husbandry, molecular biology, biosafety, and viral vectors. He is a diplomate of ACLAM and also serves at UT Health Science Center as an Associate Professor in the Department of Comparative Medicine. Previously, he was an Animal Veterinarian Halifax Veterinary Hospital in Nova Scotia, Canada and a University Veterinarian at McGill University.


John Scott Jackson, DVM

Dr. Jackson has expertise in the areas anesthesia, surgery, perioperative care, and radiology. In his role with TriMetis, he consults with and trains investigators and technicians in usage and surgery, protocol development and re-review. He also has a role as an instructor at UT Health Science Center in Department of Comparative Medicine.


Management Team

Phil Cestaro, President & CEO

Jon Wetzel, COO

Leif Honda, VP Business Development

Stan Latocha, Facility Director


For more information on our staff’s expertise please contact us here.