Kevin MacDonald is a former MMA fighter turned referee with experience in all facets of the Mixed Martial Arts industry. Raised in the Boston area Kevin got into NHB (as it was called then) in Houston, TX training under Tim Mousel and Yves Edwards. Kevin competed in many MMA events including John Lobers' famous L.A.Underground, Louisiana's World ValeTudo Federation,the Extreme Shootout 2, the Talon Challenge, and the Rhode Island Vale Tudo 2. Upon returning to Boston, Kevin made the transition from fighter to official and began refereeing.

Over the years Kevin has refereed over 1100 MMA bouts and been requested by promotions all over the New England area.

Kevin currently works as a professional firefighter/EMT where he lives in Watertown, Massachusetts with his wife and two children.