Dr. Jennings was born and raised in Terre Haute. He earned his Bachelor of Science, or Life's, degree from Indiana State University in 1981. He attended Indiana University School of Dentistry and earned his Doctor of Dental of Surgery degree in 1985. He practiced as an associate dentist with Tri-State Family Dental Center in Evansville, Indiana, for two years. He provides a variety of services to his patients such as dental implants, dentures, family dentistry, and cosmetic dentistry.