Dr. Cook was raised on a small farm in Brazil, Indiana. He received his Bachelor of Science with high distinction from Indiana State University. He then attended Indiana University School of Dentistry, where he graduated with high honors. Dr. Cook completed a two-year residency at James Witcomb Riley Hospital for Children, where he received a certificate in pediatric dentistry and a Master of Science in Dentistry. During his second year of the program, Dr. Cook had the honor of being the Chief Resident of the pediatric dental program. Dr. Cook is on staff at St. Mary's Hospital and Deaconess Hospital in Evansville, Indiana as a pediatric dentist.
While in residency and dental school, Dr. Cook made three trips to Calnali, Mexico, located in the Sierra Madrid Mountains, where he provided dentistry for underserved children. During his last trip to Mexico, he was involved in dental caries research and had his research entitled, "Dental caries experience and association to risk indicators of remote rural populations" published in the Intermediate Journal of Pediatric Dentistry.