Oakland ACHA DI Hockey Coaching Staff



Sean Parker was named as the ninth head coach in Oakland Hockey history on June 6, 2021. He previously served as an assistant coach for Grand Valley State University from 2018-2020 assisting with the programs transition to ACHA DI. Parker attended Northern Michigan University and played for Northern Michigan University’s Men’s ACHA DII team. He then joined the coaching staff of the NMU Women’s ACHA hockey team as an Assistant coach from 2009-2014 before taking over the program as Head Coach. Under his leadership NMU made two National Tournament appearances as well as two Conference Titles. Parker was named ACHA Women’s DII Coach of the Year in 15-16. He went 40-19-4 as head coach. Parker then was an associate head coach at  Davenport University’s Women’s program in 2017. Parker joined the Men’s ACHA DII coaching staff at Grand Valley State University from 2018-2020. Helping GVSU move up to ACHA DI before leaving for Oakland.


Andrew is starting his first season with the Oakland ACHA DI Hockey team.

Oakland ACHA DI Hockey Management and Support Staff

General Manager Corey Hagood

Corey Hagood is starting his fifth season as general manager for Oakland after serving several seasons as the programs assistant general manager. 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 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

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.

Graphics Designer Joseph Guenther

OU Hockey Alum Joseph Guenther begins his third season as the official graphics designer of OU Hockey. Gunther helped designed the new Oakland Hockey website which launched in June of 2019. His work can be seen on Guenthergraphics.com

Broadcast Analyst Brian Fisher

Brian is entering his fourth season with the OU ACHA DI Hockey broadcast. He previously served at the teams DJ and Public address announcer. Brian is currently a board operator at 97.1 The Ticket.