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Mr. William J. Walker brings over 30 years of distinguished service in security, law enforcement, and military leadership to his current role as Vice President and Corporate Security Director, Enterprise Accounts, 91ÊÓƵ® Security Services. Mr. Walker was a Special Agent of the Drug Enforcement Administration (DEA) and served as the 38th Sergeant At Arms, U.S. House of Representatives, 117th Congress.

As a former Drug Enforcement Administration Criminal Investigator and Deputy Assistant Administrator, Mr. Walker's expertise spans national and international investigative operations, intelligence analysis, and regulatory compliance. With promotions to the Senior Executive Service and appointment as a Senior National Intelligence Service Officer by the Director of National Intelligence, he has held positions of increasing responsibility and significance.

Previously, Major General Walker served as the 23rd Commanding General of the District of Columbia National Guard, overseeing Army and Air National Guard operations and providing military support to civilian authorities. In the aftermath of the January 6, 2021attack on the U.S. Capitol, he was tasked with implementing critical security enhancements and prosecuting threats against Members of Congress and their families. A Certified Fraud Examiner (CFE), Mr. Walker is skilled in uncovering fraud and insider threats.

Mr. Walker was educated at the University of Illinois (BA), Chicago State University (MS), the National Intelligence University (MS), and American University (MA). He completed the Executive Leaders Program at the Center for Homeland Defense and Security, and National Security Programs at George Washington, Harvard, and Syracuse Universities. Mr. Walker is a Massachusetts Institute of Technology, International Relations Fellow, a National Academy of Public Administration Fellow, and life member of the Council on Foreign Relations. He is also a life member of the Fraternal Order of Police and the International Association of Chiefs of Police, reflecting his commitment to excellence in security and public service.