John Dukes Schroeder (July 12, 1961 – May 7, 2016), known professionally as John Stabb, was an American punk rock vocalist and frontman. Best known as one of the founding members of the hardcore punk band Government Issue; he also played in other bands including, Betty Blue, The Factory Incident, Stabb, Stain, Emma Peel, Weatherhead, and History Repeated. He was born in Washington, D.C., and raised in Rockville, Maryland, where he attended Colonel Zadok A. Magruder High School. Stabb occasionally acted and was a freelance writer for Washington City Paper and Forced Exposure.