One of the founders of Best Friends Animal Society, Gregory Castle served as the CEO of Best Friends from 2009 to 2018. Since the mid-1980s, Gregory has been a recognized leader in animal welfare and a voice of reason and reconciliation among grassroots rescue groups, animal shelters and national animal organizations. Gregory is responsible for the creation of No More Homeless Pets in Utah, which evolved into No-Kill Utah (NKUT), a Best Friends-led coalition of animal welfare and rescue organizations and animal lovers collaborating to deliver aggressive spay/neuter, adoption and public awareness programs to help the state's homeless pets. Gregory's efforts have fundamentally changed the s