Mike Diegel, a founding member of Source of the Spring, is a Silver Spring advocate who has been appointed by the county executive to several committees and task forces. He currently is a member of the Silver Spring Arts & Entertainment District Advisory Committee. His background is in journalism and he earned a bachelor of arts in communications from McDaniel College. He is self-employed as a communications consultant and is an active volunteer with Appalachian Great Pyrenees Rescue. He has lived for more than 20 years in Northwood/Four Corners with his wife Trish and multiple Great Pyrenees dogs. He is better known around Silver Spring as the Guy with the Big White Dogs.