"Ex U.S. Ranger turned gun for hire. Joined Jackals cutting his teeth in the slums of Soweto, South Africa. Marked with traditional scars to honor his heritage. Has earned a reputation for being a vicious operator. "
— In-game Biography
Mace is a Jackals Operator of the Allegiance faction featured in Call of Duty: Modern Warfare and Call of Duty: Mobile. Mace was released on February 25th, 2020 In Call of Duty: Modern Warfare with the "Mace Operator Bundle".
Mace used to serve with Simon Riley in the same unit prior to the events of Modern Warfare.