[2][3] Buckley earned his Bachelor of Arts degree in 1989 and his Doctor of Veterinary Medicine in 1993 from Texas A&M University.
[2] On May 22, 2018, Buckey defeated incumbent Scott Cosper in the Republican primary runoff election for the Texas House District 54.
[4] On November 6, 2018, Buckley won the general election with 53.8% of the vote; Kathy Richerson, his Democratic opponent, received 46.2%.
[3][5] In 2021, Buckley introduced legislation that would prohibit companies that produce meat-like substances made from plants from using the terms "meat" in their labelling.
[6] Livestock companies and their lobbying organizations supported the bill, while plant-based food companies like Beyond Meat and Impossible Burgers described the bill as a violation of free speech.