Suddenly, April 22, 2016 cherished husband of Nancy Tishman passed away. Born December 20, 1944, David was an adoring and proud father of David Jr., Catherine (John) McMahon, and Timothy. Brother of Jane Sellar. Beloved brother in-law of Mary Eileen, Walter, Vincent, Ted, Geri, and Jim and spouses and loving uncle to his nieces and nephews. An attorney for the Federal Energy Regulatory Commission. David was a strong advocate for the disabled, for justice, and for the environment as a member of ACE. David possessed a quick wit and was always intellectually engaged, with interests in government, education, music. A Memorial service will be held at Murphy Funeral home, 4510 Wilson Blvd. Arlington, VA 22203 on Saturday, May 7th at 2 PM. In lieu of flowers please make contribution to The Arc of Northern Virginia. www.thearcofnova.org