William J. Walker has been hired as Vice President and Corporate Security Director at Allied Universal. Walker will draw on his civilian and military executive leadership expertise to serve as a resource in developing comprehensive security strategies.  

Walker joins after serving as the 38th Sergeant at Arms of the U.S. House of Representatives for the 117th Congress. An elected officer, the Sergeant at Arms is the House of Representatives' chief law enforcement, protocol and security officer. Walker approved all matters concerning the protection of members, staff, visitors and office buildings at the Capitol complex.

In his professional past, Walker served as commanding general with the District of Columbia National Guard; deputy assistant administrator for the U.S. Drug Enforcement Administration and deputy director of the National Intelligence Coordination Center via selection by the Department of Justice and the U.S. Drug Enforcement Administration. 

Walker completed national security programs at Harvard University, George Washington University, Syracuse University, Massachusetts Institute of Technology, the National Defense University and the Naval Post Graduate School.

Walker earned master’s degrees from American University (international service), National Intelligence University (strategic intelligence) and Chicago State University (criminal justice) and a bachelor’s degree from the University of Illinois at Chicago.