Mark Johnson

Mark Johnson is a Professor in the Department of Animal & Food Sciences at Oklahoma State University (OSU), holding dual roles as an Extension Specialist for Livestock Evaluation and academic faculty. He has been with OSU since 1992, serving as Associate Professor from 1997 to 2020 before attaining his current rank. He earned his Ph.D. in Animal Sciences from Kansas State University in 1992.

His research focuses on animal breeding, livestock genetics, and beef cattle management, with particular emphasis on genetic parameters and livestock evaluation techniques. His work integrates ultrasound imaging for measuring carcass traits in Brangus cattle and develops methodologies for livestock scoring systems. Teaching responsibilities include courses on animal breeding, beef seedstock management, and peer-led learning strategies in animal science.

Dr. Johnson’s publications span genetic analysis in livestock to pedagogical methods in music education, reflecting his interdisciplinary approach. He actively contributes to OSU Extension, providing expertise in livestock evaluation and agricultural outreach. His teaching portfolio includes 67 documented courses across three decades, emphasizing practical application of genetic principles and cattle enterprise management.