He earned his PhD in Kinesiology with an emphasis in Biomechanics from Michigan State University, his Master’s degree in Exercise Science from the University of Wisconsin-LaCrosse and his Bachelor of Science degree in Education from Concordia University-Nebraska. His research focuses on biomechanical evaluation of strength training exercises. Bruenger was previously an athletic director and coach at the high school level. He has coached football, wrestling, track and field, and cross country. He is certified as a Certified Strength and Conditioning Specialist® (CSCS®) through the National Strength and Conditioning Association (NSCA) and a Level 2 Sprints and Hurdles Coach through USA Track and Field (USATF-2).