Mary Quass is the president and chief executive officer of NRG Media LLC, headquartered in Cedar Rapids, Iowa. NRG Media owns and operates 45 radio stations in Iowa, Nebraska, Wisconsin and Illinois, concentrating on small and medium sized markets in the Midwest. NRG Media was formed in March 2005 as a result of the merger of Waitt Radio, Inc. and NewRadio Group, LLC.

Mary was the president and chief executive officer of NewRadio Group, a company she started in 2002. Originally, Mary owned Quass Broadcasting Company, which merged with Capstar Broadcasting Partners to form Central Star Communications, Inc., in January 1998. She also served as president and chief executive officer, overseeing all aspects of the radio stations in her region. Central Star Communications was a division of Capstar Broadcasting Partners, which merged with Chancellor Media in July of 1999 to become AMFM, Inc. Central Star Communications consisted of 66 stations in 14 Midwest markets.