Lieutenant General Hernandez retired following 39 years of distinguished service in the United States Army. He has led key organizational transformation initiatives for the Army during periods of significant crisis.
His last active duty assignment was as the first Commander of Army Cyber Command (ARCYBER), where he was responsible for the daily operations, defense and risk management of all Army networks with 1.2 million users, and
when directed, conduct the full range of cyberspace operations. In addition to building a cyber force of more than 17,000 people, he led the development of a wide range of concepts, plans and programs to minimize cyber risk and ensure Army operations. As the Army’s lead for all cyberspace activity, he was responsible for cyber doctrine, training, leader development, organization, materiel and people.He developed strategic direction, requirements and an acquisition approach for all cyberspace operations in the Army.
Previously he served as the Deputy Chief of Staff, Army Operations; Chief, U.S. Military Training Mission, Saudi Arabia; and Commanding General, Human Resources Command. In all three positions, he was involved in key issues and decisions at the highest levels. In his role as the Deputy Chief of Staff, Army Operations, he oversaw Army operations worldwide, directed Army transformation efforts, co-chaired the programming and budget board, chaired the Army network modernization board, approved and prioritized Army requirements. As the Chief, Military Training Mission, Saudi Arabia, he was the senior defense official to the U.S. Ambassador. He led the largest security assistance program in the world, oversaw the Foreign Military Sales program, strengthened the strategic military partnership and increased readiness and interoperability.
As the Commanding General of Human Resources Command, he directed the personnel management, from accession to retirement, for all soldiers and officers. He transformed personnel services and the management systems to support an Army at war.
Currently, he serves as the West Point Cyber Chair to the Army Cyber Institute, Director OIS, Director CyberSponse, Trustee Army Venture Capital Initiative, President of CyberLens, LLC and is on a wide range of advisory boards. Rhett is a cyber expert on leadership, human capital, cyber threats, strategic planning and enterprise risk management. He is actively engaged in consulting, speaking and supporting start-ups to large organizations in the academic, government and industry sectors on key cyber topics.
Rhett holds a Bachelor of Science degree from the United States Military Academy, West Point, a Master of Science degree in Systems Engineering from the University of Virginia and a Masters of National Security Strategy from the National War College where he was named a distinguished graduate. He was an Assistant Professor for Probability and Statistics at the United States Military Academy and has published articles on leadership and cyber topics.