Dr. Hadley was born in Wheatridge, Colorado and grew up in Alamogordo, New Mexico. He earned a Bachelor of Science in Biology from New Mexico State University, then went on to the University of Missouri–Kansas City for his Doctorate of Dental Surgery. Upon receiving his dental degree, he completed a year of advanced dental training in the General Practice Residency at the University of Michigan Veterans Administration Medical Center in 1994. Dr. Hadley purchased the Haxtun Dental Clinic in 1994. He owned and operated the clinic until 2004, when he moved his practice to its present location in Sterling.

Dr. Hadley is a member of the American Dental Association, the Colorado Dental Association, the Northeast Colorado Dental Society and the International College of Dentists. He regularly attends classes and seminars to stay current in technology and techniques in dentistry.

Dr. Hadley takes great pride in his gentle treatment of patients of all ages and looks forward to serving the community for many years to come.