David J. Mayernik (born June 15, 1952) is a former Democratic member of the Pennsylvania House of Representatives.
During his legislative career, he had eleven prime sponsored bills and twenty-one amendments signed into law by four governors.
[4] During the decennial legislative redistricting process, following the 2000 census, his district was divided into seven other districts and moved across the state from Allegheny County to Bucks County, Pennsylvania by the House Democratic Caucus in the 2002 legislative re-apportionment plan, leaving him "scant chance of re-election.
[5] In a 2002 PoliticsPA Feature story designating politicians with yearbook superlatives, he was named the "Toughest to Work For.
"[6] Mayernik has served as an adjunct professor at the University of Pittsburgh Graduate School of Public and International Affairs and as an instructor at the Allegheny County Police Academy.