With over 31 years of professional experience in critical infrastructure related security, safety, and risk management design, van der Mandele has provided consultancy services for a diverse group of government clients, including the U.S. Army, Department of Homeland Security, the General Accounting Office, and the United Arab Emirates.
Van der Mandele holds a degree in history from Rollins College, and a Master of Professional Studies in Security from the University of Connecticut in conjunction with the Naval Postgraduate School. Van der Mandele has served as an adjunct professor at the University of Connecticut developing and teaching courses on critical infrastructure protection at the graduate level. He has served as a Member of the Department of Homeland Security/Transportation Security Administration Mass Transit Sector Coordinating Committee; the American Public Transportation Association (APTA) Security Affairs Committee; and the ATPA Security Standards Planning and Oversight Committee. Van der Mandele holds a national security clearance from the Department of Defense.
Prior to Gannett Fleming, van der Mandele served in various roles ranging from owning and operating two small consulting firms, to vice president of two technology start-ups and an insurance industry rating and publishing company.