Dennis O’Neil


Dr. Dennis O’Neil is a highly effective executive / leader with over 20 years’ experience in corporate, government and academic sectors. He is a trusted strategic advisor who has provided critical analytical guidance to public company Boards, CEO’s and Pentagon Chiefs of Staff. He has deep expertise mobilizing teams and staffs to action, communicating complex messages, and managing large scale operations.

Most recently, O’Neil served as the Chief of Staff of Alcoa / Arconic Inc., a global leader in lightweight metals technology, engineering, and manufacturing that delivers value-add products made of titanium, nickel, and aluminum and produces best-in-class bauxite, alumina, and primary aluminum products. The company operates in 30 countries with over 60,000 employees.

As Chief of Staff, O’Neil served the Executive Office of the Chairman and CEO and Alcoa business and resource units providing strategic advice, guidance, coordination, and oversight.  O’Neil provides leadership and operations management to the Executive Office, including establishing priorities, coordinating, planning, and budgeting, as well as directing administrative, financial, and operational activities.

O’Neil joined Alcoa / Arconic from the Eisenhower School for National and Resource Strategy at the National Defense University, Washington, D.C., where he was a Professor of Behavioral Sciences. He served as the Director of Strategic Leadership, Director of the Executive Assessment and Development Program, and Director of the Adaptive and Agile Leaders Networks concentration.

Previously, O’Neil served in the White House for the National Security Division, Office of Management and Budget, Executive Office of the President overseeing more than $10 billion in discretionary outlays. He provided analysis and recommendations used by the White House to develop and implement critical policies. He was also the Executive Director of the Performance Improvement Council responsible for implementing the President’s approach to improving interagency performance and accountability.

As a career Army officer, O’Neil served in strategic roles directly supporting the highest levels of Pentagon leadership, including three Chiefs of Staff of the Army.  Earlier, his career included experience as an armor officer and Army strategist in a host of tactical, operational, academic, and strategic level leadership assignments including combat tours in both Afghanistan and Iraq.  He was a faculty member at the U.S. Military Academy at West Point and the U.S. Army Command and General Staff College.

Dennis holds a Ph.D. and M.A. in Psychology from Duke University and a B.S. in Management from the U.S. Military Academy at West Point.

He resides with his family in the Washington, DC area.

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