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.

Kevin Annett, CFO, North America, Barrick Gold Corporation
Jennifer Berger, Senior Principal, Operations Leader, Stantec
Frank Demers, Head, Ontario Mines, Vale (Vice-Chair)
Chris Drenth, Global Engineering Director, Performance Tooling, Boart Longyear
Steve Dunlop, General Manager, KGHM International 
George Flumerfelt, President & CEO, Redpath Mining Inc. 
Pierre Girard, General Manager – Ojibway Mine, Windsor Salt
Patrick Godin, Chief Operating Officer, New Gold
Rory Greyvensteyn, Director of Operations, Canada, McEwen Mining
Luc Guimond, Chief Operating Officer, Alamos Gold
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 
Krista Maydew, Director, Community Relations, IAMGOLD
Craig Manz, VP of Operations, Compass Minerals 
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)
William Shand, Country Manager, Lake Shore Gold, a subsidiary of Pan American Silver
Natasha Vaz, EVP & Chief Operating Officer – Ontario, Australia & Mexico, Agnico Eagle Mines (Chair)
Peter Xavier, Vice President, Sudbury Integrated Nickel Operations (Glencore) 
Bob Yeamans, VP Business Development, Technica Mining