Dr. Karen A Hassan supports the Director of Equine Safety and Welfare in the uniform implementation of HISA's safety and welfare policies nationwide.   She assists in veterinary outreach, medical record auditing and stakeholder equine safety and welfare questions. She is part of the on site track accreditation team focusing on racetrack veterinary protocols.

Dr. Hassan is a Board-Certified surgeon with 26 years of experience in referral lameness and surgery.  She worked for 1ST racing in California as a regulatory veterinarian and also worked the California State Fairs prior to joining HISA. Her work in regulatory veterinary medicine includes FEI and Tevis Cup endurance events. She has been an American Endurance Ride Conference Control Judge and treatment veterinarian for over 18 years. Dr. Hassan has been involved in research, education, outreach and mentoring throughout her career.

Dr. Hassan graduated from University of California, Davis, completed a surgical internship at Tufts University and returned to Davis, California for her residency in surgery.