Dr. Kelleher and his wife, Donna (who owns Limo Valet, a limousine and bus service) live in Granbury with their son, Jarmain. He enjoys golf, boating and his favorite sports team is the Boston Red Sox.

Dr. Kelleher wanted to become a doctor after studying and doing research in immunology. It made him take more of an interest in patient care as a hospital volunteer. His areas of interest include treatment and preventative care for children and adults.