Oakland ACHA DI Hockey Coaching Staff
Head Coach Nick Mammel
Nick Mammel was named as the 10th head coach in Oakland Hockey History on April 18, 2023. Mammel comes to Oakland after serving as head coach of the El Paso Rhinos (NA3HL) where he went 54-25-1-2. His team won the South Division Championship with the youngest team in the division and third youngest team in the league. Mammel had 12 of his players advance to skate with NAHL programs. Mammel also had five of his players skate with the El Paso NAHL team.
Before taking over in El Paso, Mammel served as the Varsity Hockey Assistant Coach with Midland High School for five seasons.
As a player he played for the Nashville Junior Predators (NA3HL) and Central Michigan (ACHA DII).
Assistant Coach Greg Meuser
Greg Meuser was named as an assistant coach on April 25, 2023 on the staff of head coach Nick Mammel. Meuser played at Oakland from 2017-2020. He scored 24 goals and 64 points in 96 games at Oakland. He served as captain for the 2018-19 and 2019-20 seasons and Oakland went 21-10-2 in his season season. Meuser a native of Winchester, VA played juniors for the Traverse City Hounds (USPHL).
Oakland ACHA DI Hockey Management and Support Staff
General Manager Corey Hagood
Corey Hagood was named as general manager for Oakland in 2016 after serving several seasons as the programs assistant general manager and Director of Hockey Operations. He is in charge of Hockey Operations, along with scheduling for the Golden Grizzlies, in addition to serving as the Voice of Oakland Hockey. Hagood has called numerous ACHA National Tournament and National Championship games. He has been with the program for 19 seasons.
He was apart of Oakland’s 2006 ACHA DII National Championship and Oakland’s 2007 ACHA DI National Championship along with the teams 2011 GLCHL Playoff Championship and the 2012 Regular Season Championship.
He also works for the Great Lakes Collegiate Hockey League running the leagues social media, website along with running the leagues weekly stars “GLCHL Performers”.
Team Chiropractor Dr. Joel Hessler
Dr. Hessler is is entering his seventh season with the Oakland ACHA DI Hockey program. Dr. Hessler serves as the teams primary trainer and team Chiropractor. He is a managing partner at Clendenan/Hessler Chiropractic in Imlay City, MI. Dr. Hessler specializes in occupational injuries and the management of soft tissue injuries. Leading up to his chiropractic training Dr. Hessler practiced as a medical massage therapist, working in both inpatient and outpatient settings. With advanced training in soft tissue mobilization he has over 16 years of experience in clinical muscle work. He is a Certified Chiropractic Sports Physician® through the American Chiropractic Board of Sports Physicians™. Currently, Dr. Hessler is one of only two chiropractors in Michigan to complete the American Chiropractic Board of Sports Physicians™ sport concussion training and be actively listed as a provider on their concussion registry. Dr. Hessler has utilized this training to implement pre-participation sport concussion baseline testing for young athletes in Lapeer County.
Strength Coach Andrew Chatman
Andrew Chatman is starting his first year as the strength and conditioning coach on the staff of head coach Nick Mammel. He has his certifications at the National Academy of Sports Medicine as a Personal Trainer and Nutrition Coach. Chatman owns the business Unchained Unbroken where he specializes in athletic performance, while still training clients for weight loss, muscle gain, cardiovascular health, and joint health. He operates his Unchained Unbroken out of his hometown Midland, Michigan while also offering online programs and online personal training.