Greg McWhirter is a member of the Board of Directors for Oath Keepers, a current serving law enforcement officer, and the founder of Western Montana Tactical Training Center. As a sheriff’s deputy in Indiana and Montana he was certified as a law enforcement instructor, and SWAT officer. For Oath Keepers he helped organize and lead the disaster relief teams that Oath Keepers deployed to Houston after hurricane Harvey. While doing so he liaised with federal and local government and other relief volunteers. In 2016, after seeing a need for experienced tactical trainers in the North West, he found Western Montana Tactical Training Center, better known as WMTAC.