 Tooker and his wife Diane, who are both alumni of Arizona State University, "donated $4 million to ASU to endow five faculty positions—one faculty chair and four professorships—in the Ira A. Fulton Schools of Engineering" which includes the Diane and Gary Tooker Chair for Effective Education in Science, Technology, Engineering and Math.Tooker graduated from Arizona State University in 1961 where earned a bachelor's degree in Electrical Engineering, and did his postgraduate studies in Business Administration.Tooker began "working for Motorola in 1962 within its Arizona Semiconductor Division.