OMA is governed by a Board of Directors made up of industry leaders. Collectively, they offer a wealth of experience and expertise in mining and various other fields. The individuals listed below offer broad oversight and strategic guidance, playing a vital role in furthering the OMA's mission and goals.

Peter Baker, VP Operations, Goderich Mine, Compass Minerals 
Jennifer Berger, Senior Principal, Operations Leader, Stantec
Chris Drenth, Global Engineering Director, Performance Tooling, Boart Longyear
Steve Dunlop, General Manager, KGHM International 
George Flumerfelt, President & CEO, Redpath Mining Inc. 
Mark Furlotte, General Manager, Kidd Operations (Glencore)
Dan Gagnon, General Manager, Harte Gold 
Mike Garbutt, Deputy General Manager - Côté Gold, IAMGOLD
Pierre Girard, General Manager – Ojibway Mine, K&S Windsor Salt
Rory Greyvensteyn, Director of Operations, Canada, McEwen Mining
Tim Hill, CEO, Impala Canada Ltd. -  Lac Des Iles
Chris Hodgson, President Ontario Mining Association (President) 
Carl Horvat,
 Regional General Manager, Covia Canada Ltd
Eric Kohtakangas, Executive VP, Growth & Acquisitions, Cementation 
Gilbert LaMarche, Head of Mines Technical Services - North Atlantic Operations, Vale  
Peter MacPhail, COO, Alamos Gold 
Duncan Middlemiss, President & CEO, Wesdome
Wayne Mohns, VP, Operations, Dumas Contracting 
John Mullally, Regional VP, Sustainability and External Relations, Newmont
Rhonda O’Neill, Specialist Operations Accounting & Reporting, Projects, Vale  (Treasurer)
Kevin Annett, CFO, North America, Barrick Gold Corporation
William Shand, Country Manager, Lake Shore Gold, a subsidiary of Pan American Silver
Natasha Vaz, Chief Operating Officer, Kirkland Lake Gold (Chair)
Eric Vinet, Vice President, Technical Services, New Gold
Steve Virtue, Director, External Affairs, Yamana Gold 
Peter Xavier, Vice President, Sudbury Integrated Nickel Operations (Glencore) 
Bob Yeamans, VP Business Development, Technica Mining