Poloncarz was the 2003 - 2004 Buffalo and western New York coordinator and spokesman for the John Kerry presidential campaign . He was an at large district delegate for John Kerry at the 2004 Democratic National Convention and to Hillary Clinton at the 2008 Democratic National Convention and 2016 Democratic National Convention . Poloncarz was the founder and first president of the WNY Coalition for Progress , a progressive think tank in upstate New York now known as the Western New York Democrats for Progress
2004 Democratic National Convention
2004 Democratic National Convention
Mark Poloncarz