United Animal Health Appoints Brian Barker as President and CEO
United Animal Health, a global animal nutrition and health company, has appointed Brian Barker as its new president and chief executive officer. Barker will assume the role effective October 5, 2026.

Sheridan, Indiana – United Animal Health, a company focused on animal nutrition and health, has named Brian Barker as its new president and chief executive officer, effective October 5, 2026. The company is also celebrating its 70th anniversary this year.
In his new capacity, Barker will oversee United Animal Health's strategic direction, business operations, and growth initiatives. His responsibilities include advancing the company's mission to provide innovative, science-based solutions aimed at improving animal health and supporting producer success.
Barker brings over 25 years of leadership experience in the agribusiness sector. His previous executive roles include positions at GDM North America, AgReliant Genetics, Corteva Agriscience, and Dow AgroSciences. He has a background in leading global agribusiness, biotechnology, seed, and crop protection markets, with a proven track record in guiding complex organizations through growth strategies and transformations.
"Brian is a proven leader with a strong track record of driving growth, leading successful transformations, and developing exceptional teams," said Ellen Crabb, chair of the board of directors. Crabb highlighted Barker's agricultural expertise, customer focus, and strategic mindset as key qualifications for leading the company forward.
United Animal Health has spent 70 years developing and delivering research-driven nutrition and health solutions to enhance animal performance, health, and well-being. The company operates globally and aims to foster a more sustainable future for animal agriculture in collaboration with producers and industry leaders.