Dr. Tessa Muir, B.V.Sc., is the former Anti-Doping Manager at British Horseracing Authority. She is an equine veterinarian, a Veterinary Officer with the British Army, and a Regulatory Veterinarian at Racing Victoria. She discusses current doping issues, recent doping cases, and key anti-doping programs and strategies to detect, deter, and prevent doping in horseracing. Tessa also shares important similarities and differences between equine and human sports for anti-doping and other integrity concerns.