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Center of Excellence for Emerging and Zoonotic Animal Diseases


KSU Office Park
1800 Kimball Ave
Suite 130
Manhattan, KS  66502

785-532-3373 fax

Steven R. Ellsworth, DVM, MS

Dr. Steven Ellsworth is the former associate director of the Center Of Excellence For Emerging and Zoonotic Animal Diseases (CEEZAD) and currently serves as a consultant.

Holder of bachelors and masters degrees in microbiology from South Dakota State University, Dr. Ellsworth earned his doctor of veterinary medicine degree from the University of Missouri in 1984. CEEZAD’s associate director from 2014-2016, he is considered an authority in both technical management and leadership within the animal health industry.

Prior to coming to CEEZAD, Dr. Ellsworth worked for several years as a private consultant to firms in the animal health industry. His areas of specialization included research, manufacturing, organizational structure, personnel management and marketing strategies. From 1995 to 2008 he was vice president of technical affairs, and later vice president of operations, for Intervet Inc., a major pharmaceutical firm specializing in veterinary medicines.  With Intervet, he was responsible for the company’s U.S. veterinary vaccine supply chain.

Between 1984 and 1995, Dr. Ellsworth led the biologicals research and development program for Schering-Plough Animal Health, serving as director for much of that period. He worked with marketing groups and internal and institutional researchers to develop and obtain government approval for vaccines for poultry, swine, cattle, dogs and horses. He was also responsible for animal test facilities, and for the staffs of those facilities.

From 1978 to 1980, he was a staff microbiologist for Phillips Roxanne Inc. While studying for his graduate degree at South Dakota State, he was an assistant in veterinary science, specializing in diagnostic bacteriology and research.

He is a Diplomate of the American College of Veterinary Microbiologists.