COVID-19 Updates:

International Union of Operating Engineers (IUOE) Local 20 Stationary Engineers

Union Leadership Contract Information

Rick Gerrein

Business Agent
1150 W. Eighth Street, Suite 250
Cincinnati, Ohio 45203
Phone: 513-751-1671
Fax: 513-751-2551

Name Union Title UC Job Title Unit Phone ML
Mark Wiesman Steward for East Power Plant 
Stationary Engineer I Maintenance A&F East Campus Utilities Operations 513-558-1796 0810
Dave Jeffries Chief Steward for Trades & Residential Life & Satellites Building Trades Leader-I A&F Utility Support Operations 513-556-2045 0390
Andy Beimesche Chief Steward for Utilities & East Power Plant Stationary Engineer Maintenance A&F Central Utility Operations 513-556-2567 0390
James Mattingly Steward for East Campus Plumber-Pipefitter Jour-I A&F Maint & Ops East AM/HVAC Plumber
513-556-2782 0080
Michael Zachary Steward for West Campus Carpenter-I

A&F Maint & Ops Carp/Sign Shop 513-556-4639 0390


IUOE Collective Bargaining Agreement

Labor Management Committee (LMC)

Labor Management Committee (LMC) is established by the collective bargaining agreement. Its purpose is to discuss and resolve matters of mutual interest. Specific grievances and negotiations are not proper subjects for discussion in LMC meetings; the resolution of problems giving rise to grievances is a proper subject. Specific matters which are considered by the LMCs include, but are not limited to: health and safety, career paths, training & development, and dependent care issues. The LMC shall have no authority to modify in any way the terms of the collective bargaining agreement.


Don Becker
Melvin Black
Kenneth Bloomer
Bill Huesman
William Johnson
Lauren Lantz
Clark Miller