American academic
According to Wikipedia, William John Tietz Jr. was an American veterinarian who was Dean of the College of Veterinary Medicine and Biomedical Sciences at Colorado State University from 1971 to 1977 and president of Montana State University from 1977 to 1990. A group of historians named Tietz one of Montana State's four most important presidents in 2011.
William Tietz is affiliated with the following schools: