Director Emeritus
As a veterinarian, Dr. Simmons has had a varied career. In 1963 he landed his first zoo job as curator of mammals at the Columbus Ohio Zoo. He quickly moved to other positions as staff veterinarian and assistant director.
His next appointment, in 1966, as a veterinarian was at the Omaha Zoo. Soon after he became assistant director and in 1970 zoo director. After retirement as director he took on the responsibilities as chairman of the board for the Omaha Zoo Foundation.