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Meet Our Team
Meet Our Team
Allied Universal named Major General William J. Walker, U.S. Army (Ret.), its Chief Security Officer, following decades of leadership across national security, federal law enforcement, and military service, with particular depth in managing insider threats across both government and private sectors. ASPP™ was founded by Chris Grollnek, an active shooter expert whose P.R.O. Model™ the Department of Justice selected as “A” national standard and which is in use at some installations and commands across the Department of Defense. Every member of this Community of Experts is here because of work a third party already put their name on.
Ret. Major General William J. Walker
CSO, Allied Universal
Major General William J. Walker, U.S. Army (Ret.), is Chief Security Officer at Allied Universal, bringing decades of leadership in national security, federal law enforcement, and military service. With extensive experience managing insider threats across government and private sectors, he is a recognized expert in security, fraud prevention, and enterprise risk management.
Ret. Major General Walker’s Executive Bio and Experience
Major General William J. Walker, U.S. Army, retired is the Chief Security Officer for Allied Universal®, a leading global security and facility services company. He brings a unique perspective to insider threats shaped by decades of public service in national security, federal law enforcement, and the U.S. Armed Forces. From leading high-trust teams globally with the Drug Enforcement Administration as a criminal investigator (special agent) and Senior Executive Service member, as an Officer in the U.S. Army and Army National Guard in the Caribbean and Afghanistan, to serving as Sergeant at Arms of the U.S. House of Representatives, William Walker has managed insider threat challenges across multiple sectors.
A Certified Fraud Examiner, William directed complex transnational organized crime investigations collaboratively with foreign law enforcement officials in Asia, the Caribbean and South America. He was educated at the University of Illinois at Chicago (BA), Chicago State University (MS), National Intelligence University (MS), and American University (MA). William completed national security programs at Harvard, George Washington, and Syracuse Universities, and the Naval Post Graduate School, Homeland Defense and Security Program. He is an MIT International Relations Fellow and a National Academy of Public Administration Fellow.
William is a life member of the Council on Foreign Relations, the Fraternal Order of Police, the International Association of Chiefs of Police and both the U.S. Army Strategist and U.S. Army Military Intelligence Corps Associations.
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U.S. Secret Service – National Threat Assessment Center Reports Recent Mass Shootings Occurred in Places We Visit Everyday.
51%
Mass Shootings Happened in Businesses
35%
Mass Shootings Happened in Open Spaces
14%
Mass Shootings Happened in Schools, Universities, Places of Worship.
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