Dr. Mary Scollay joined the Horseracing Integrity & Welfare Unit (HIWU) as chief of science in October 2022. In this role, Dr. Scollay oversees HIWU’s Science Department, including the Horseracing Integrity and Safety Authority Equine Analytical Laboratory accreditation program, and education efforts ahead of the Anti-Doping and Medication Control Program launch.

She will also prioritize research development into Prohibited Substances while engaging with veterinary scientists, pharmacologists, and other experts in the Thoroughbred industry. Additionally, Dr. Scollay and her team will manage a Prohibited Substances database that will be available for industry stakeholders to use as a reference tool.

Dr. Scollay joins HIWU after serving as the Racing Medication & Testing Consortium’s (RMTC) executive director and chief operating officer for three years. While with the RMTC, she directed the advancement of world-class laboratory drug testing standards, promotion of RMTC-recommended rules and penalties for prohibited substances and therapeutic medications, monitoring of emerging threats to the integrity of racing and the health and welfare of racehorses, and administrative oversight of RMTC-funded research projects and educational programs.

Before leading the RMTC, Dr. Scollay spent more than 30 years as a racing regulatory veterinarian, including 11 years as the Kentucky Horse Racing Commission’s equine medical director.

Mary Scollay, DVM

Chief of Science