Joseph A. Brendler Sr.Global Advisor
  • United States

Joseph A. Brendler Sr.’s Bio

Major General Joseph A. Brendler, Sr. (US Army, Ret.) most recently was Chief of Staff for the United States Cyber Command. In that role, he directed, integrated, and synchronized the activities of the USCYBERCOM headquarters and led and mentored all staff officers, including the nine executive-level (flag) staff principals, ensuring the delivery of full-spectrum cyber effects supporting operational commanders throughout the US military.

Previously, as Director of Strategic Planning, Policy, and Partnerships, Maj. Gen. Brendler was responsible for the development of strategy and plans for the evolutionary growth of USCYBERCOM and the execution of its missions. He participated in the development of US military cyber doctrine and of DoD and national cyber policy.

With nearly 32 years of service in the US Army, his experiences encompass all aspects of military communications, information technology, and cybersecurity service delivery, including multiple combat deployments, a total of eight years of overseas service in Europe, the Middle East, and Afghanistan, and seven years as a paratrooper at Fort Bragg, NC.

Other highlights of his military career include service as US Army Director of Architecture, Operations, Networks and Space (AONS), where he had oversight of Army network operations and led Army network architecture and strategic planning; prior service with responsibility for policy and operational oversight of all communications and information systems employed by NATO and US forces in Afghanistan as Chief of C5ISR, US Forces J6, and NATO Forces CJ6, ISAF; and earlier service as the Chief of Staff for the Defense Information Systems Agency (DISA).

He also spent two years as an instructor and assistant professor of Physics at the US Military Academy at West Point, NY.

He is a member of the Board of Directors of Warrior Expeditions, a member of the Board of Advisors of CSFI and MCPA, and a member of the Cyber Committee of AFCEA. He is also an active member of IEEE, AUSA, and AOC.


Maj. Gen. Brendler earned a Bachelor’s degree and Master’s degree in electrical engineering from Cornell University. He also earned an MS in national resource strategy from the Industrial College of the Armed Forces and a Master of Military Arts and Science in theater operations from the School of Advanced Military Study.

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