High Quality Content by WIKIPEDIA articles! The Podesta Group is a lobbying and public affairs firm based in Washington, D.C.. It was founded in 1988 by brothers John Podesta and Tony Podesta and has previously been known as Podesta Associates, podesta.com and PodestaMattoon. The firm most recently reorganized in January 2007 after current Chairman Tony Podesta split with former business partner Dan Mattoon.