Board of Advisors

Celebrating more than 40 Years of Leadership in Security.

William J. Walker, Major General, U.S. Army (Ret.)

Vice President & Corporate Security Director, Allied Universal

The Honorable William J. Walker brings a diverse perspective to enterprise security risk management by combining broad civilian government and military executive leadership expertise to guide decision making. In domestic and foreign positions of increasing responsibility, he forged consensus and created winning teams with a culture of accountability, collaboration, and reciprocal trust by focusing on people, policies, processes, and performance.

In the aftermath of the January 6th 2021 attack on the Capitol, William was elected to and entrusted with a critical role as the 38th Sergeant at Arms of the U.S. House of Representatives for the 117th Congress. He introduced new concepts to assist prosecutors in bringing people threatening Members of Congress to justice and enacted security enhancements to better protect Members, the Capitol complex and the visiting public.

William is the Corporate Security Director, enterprise accounts at Allied Universal, a leading security and facility services company. He is also a member of the SIMS’ Software Advisory Board and a senior advisor with The Chertoff Group, a global advisory firm. His expertise includes strategic planning, risk management, emergency preparedness, response and recovery, continuity of operations, governance, and regulatory compliance.

A retired U.S. Army officer, he served in staff and leadership positions from platoon leader to commanding general. William also retired from the Drug Enforcement Administration as a special agent and career member of the Senior Executive Service. He conducted and directed transnational criminal investigations collaboratively with foreign law enforcement officials in Asia, the Caribbean and South America.

William was educated at the University of Illinois (BA), Chicago State University (MS), the National Intelligence University (MS), and American University (MA). He completed national security programs at Harvard, George Washington, and Syracuse. William is a Massachusetts Institute of Technology, Seminar XXI Fellow, a National Academy of Public Administration Fellow, and a life member of the Council on Foreign Relations.