Before assuming his current position in January 2015, Silliman was senior vice president for public policy and government affairs, with responsibility for Verizon’s global public policy, federal and state legislative affairs, federal regulatory affairs, strategic alliances, national security, privacy and corporate citizenship.
Prior to that, Silliman served in a number of other senior management roles at Verizon. He was senior vice president and general counsel for Verizon’s wireline consumer, business and wholesale groups globally, and senior vice president and deputy general counsel, with responsibility for antitrust, intellectual property, national security, privacy and strategic product support.
Prior to joining a Verizon predecessor company in 1997, Silliman was an attorney in the international trade practice at Collier, Shannon, Rill & Scott in Washington, D.C. He has also taught international telecommunications regulation as an adjunct professor at the American University School of Law in Washington, D.C.
Silliman earned his law degree from the University of Virginia.