- City of Richardson (Mayor Pro Tem, City Council, Charter Review Commission)
- North Central Texas Council of Governments Executive Board (Vice President and President)
- Texas Municipal League (Region 13 Representative)
- Regional Transportation Council (Chairman)
After serving in the U.S. Air Force, Mr. Murphy worked in the oil and gas, banking and printing industries. He most recently was President of Max Impressions, Inc., a printing and graphics communications company, until his retirement in 2015.