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Big Ten CommunicationsPublished: 10/8/2023, Last updated: 10/9/2023
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Collegiate Officiating Consortium Announces Executive Director and Coordinator Positions

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CHICAGO, Ill. – The Collegiate Officiating Consortium (COC MBB2) announced staffing updates for the upcoming 2023-24 basketball season on Friday.

Terry Wymer has been named Executive Director of Collegiate Officiating Consortium and Coordinator of Officials for the Big Ten Conference (Big Ten). Donnie Eppley has been named the Coordinator of Men’s Basketball Officials for the Horizon League and Mike Sanzere will be the Coordinator of Men’s Basketball Officials for the Mid-American Conference (MAC) and the Summit League.

Wymer manages the day-to-day operations of the COC MBB2 and is responsible for recruiting, selecting, developing, evaluating and assigning officials for all men’s basketball games in the Big Ten and overseeing the assignments in the Horizon League, Mid-American Conference and Summit League. Eppley and Sanzere assist Wymer with the development and evaluation of officials while handling assignments for their designated conferences.

Wymer spent the majority of his 35-year collegiate officiating career working in the Big Ten along with assignments in the Mid-American Conference, Mid-Continent Conference, Horizon League, Summit League, Big 12 and the SEC. He officiated 21 straight NCAA Men’s Division I tournaments, advancing to the Regionals 11 times. Wymer also officiated five Final Fours and the National Championship game three times. During his career, he officiated six Big Ten Tournament championship games. 

“I am honored to have the opportunity to serve as the Big Ten Men’s Basketball Coordinator and the Executive Director of the COC MBB2.  This is my opportunity to give back to the conferences that gave me my opportunity to officiate at the Division I level. In this role, I will have the ability to mold the next wave of championship officials. During the past year, I have worked extremely hard to improve the staff of the Big Ten and give the conference the officiating staff that it deserves. I am looking forward to the future and working with the conference during these unprecedented times of expansion.”

Eppley has spent the past 25 years as an on-court official officiating at eleven conferences. In addition to his twelve appearances in the NCAA tournament, he officiated the finals of the CBI Post-Season tournament in 2012 and 2013 after beginning his officiating career in 1988.

“I am grateful to have the opportunity to serve as the Horizon League Men’s Basketball Coordinator. The Horizon League’s commitment to officiating excellence is second to none. Under the guidance of Terry Wymer, COC MBB2 Executive Director, I look forward to building an excellent staff of officials as we look to the future.”

Mike Sanzere spent 35 years officiating Division I college games in 9 different conferences including the Big Ten and the Big 12. He officiated 37 conference championship games and 25 consecutive NCAA Tournaments. He also officiated 14 Regionals and three Final Fours including the National Championship game in 1998 begin Kentucky and Utah. In 2015, Mike was honored as the Naismith Official of the Year.  

Mike Sanzere is going into his ninth year as Supervisor of Officials in the Mid-American Conference and the Summit League.

“Having known and officiated with Terry and Donnie for over 20 years, I welcome the opportunity to work with them in the COC. Together, we will pass along our knowledge training the next wave of very talented officials currently on our staff.”


The Collegiate Officiating Consortium (COC MBB2) features four Division I men’s basketball Conferences: the Big Ten, Horizon League, Mid-American Conference, and the Summit League. The regional collaboration of Division I men’s college basketball services 46 member institutions across 18 states.