Senior Leadership

Dr. Rhys M. Williams

Dr. Rhys M. Williams, Acting Director
Dr. Rhys M. Williams, a Tier 3 member of the career Senior Executive Service, is the Acting Director, Defense Threat Reduction Agency (DTRA).

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U.S. Army Major General Antonio M. Fletcher

U.S. Army Major General Antonio M. Fletcher, Deputy Director
Major General Antonio M. Fletcher is the Deputy Director, Defense Threat Reduction Agency (DTRA).

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U.S. Navy Command Master Chief Philip Ibanez

U.S. Navy Command Master Chief Philip Ibanez, CommandSenior Enlisted Leader
Master Chief Philip Ibanez is the Command Senior EnlistedLeader (CSEL), Defense Threat Reduction Agency (DTRA).

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Craig Miller

Craig Miller, General Counsel
Craig Miller, a member of the Senior Executive Service (SES), is theGeneral Counsel, Defense Threat Reduction Agency (DTRA).

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Michael Bruhn

Michael Bruhn, Senior Executive Advisor
Michael Bruhn, a member of the Senior Executive Service (SES), is the Senior Executive Advisor, Defense Threat Reduction Agency (DTRA).

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Amalie Zeitoun

Amalie Zeitoun, Chief of Staff
Amalie Zeitoun, is the Chief of Staff, Defense Threat ReductionAgency (DTRA).

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Directorate Directors

Dr. Rhys Williams

Dr. Rhys Williams, Director, Research & Development (RD)
Dr. Rhys Williams, a Tier 3 member of the Senior Executive Service (SES), is the Director of the Research & Development Directorate for the Defense Threat Reduction Agency (DTRA).

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Hunter Lutinski

Hunter Lutinski, Director, Strategic Integration (SI)
Michael Bruhn, a member of the Senior Executive Service (SES), is the Senior Executive Advisor, Defense Threat Reduction Agency (DTRA).

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Kyle Lampela

Kyle Lampela, Director, Operations & Integration (OI)
Kyle Lampela, a member of the Senior Executive Service (SES), is the Director of the Operations & Integration Directorate, Defense Threat Reduction Agency (DTRA).

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Mario Vizcarra

Mario Vizcarra, Director, Information Management & Technology (IT)
Mario Vizcarra, a member of the SES, is the Director of the Information Management & Technology Directorate and the Chief Information Officer (CIO) for the Defense Threat Reduction Agency (DTRA).

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Lisa Swan

Lisa Swan, Director, Acquisition, Contracts, & Logistics (AL)
Lisa Swan, a member of the Senior Executive Service (SES), is the Director of the Acquisition, Contracts, & Logistics Directorate, Defense Threat Reduction Agency (DTRA).

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Brigadier General John R. Edwards

Brigadier General John R. Edwards, Director, Nuclear Enterprise (NE)
Brigadier General John R. Edwards is the Director of the Nuclear Enterprise Directorate, Defense Threat Reduction Agency (DTRA).

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David Musgrave

David Musgrave, Director, On-Site Inspection & Building Capacity (OB)
David Musgrave, a member of the Senior Executive Service (SES), is the Director of the On-Site Inspection & Building Capacity Directorate, Defense Threat Reduction Agency (DTRA).

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Dr. Robert S. Pope

Dr. Robert S. Pope, Director, Cooperative Threat Reduction (CT)
Dr. Robert Pope, a member of the Senior Executive Service (SES), is the Director of the Cooperative Threat Reduction Directorate, Defense Threat Reduction Agency (DTRA).

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U.S. Army Colonel Christine Enriquez, Director, Human Resources (HR)
Colonel Christine Enriquez is the Director of the Human Resources Directorate for the Defense Threat Reduction Agency (DTRA).

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SES/GO/FO

James Craft

James Craft, Director, Mission Support, Operations & Integration (OI-MS)
James Craft, a member of the Senior Executive Service (SES), is the Director of the Mission Support Department, Operations & Integration Directorate, Defense Threat Reduction Agency (DTRA).

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Stephen J. Dowling

Stephen J. Dowling, Director, Counter WMD Technologies, Research & Development (RD-CX)
Stephen Dowling, a member of the Senior Executive Service (SES), is the Director of the Counter WMD Technologies Department, Research & Development Directorate, Defense Threat Reduction Agency (DTRA).

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Dr. Ronald Hann

Dr. Ronald Hann, Director, Chemical/Biological Technologies, Research & Development (RD-CB)
Dr. Ronald Hann, a member of the Senior Executive Service (SES), is the Director of the Chemical/Biological Technologies Department, Research & Development Directorate, Defense Threat Reduction Agency (DTRA).

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Dr. Michael A. Kuliasha

Dr. Michael A. Kuliasha, Director, Nuclear Technologies, Research & Development (RD-NT)
Dr. Michael Kuliasha, a member of the Senior Executive Service (SES), is the Director of the Nuclear Technologies Department, Defense Threat Reduction Agency (DTRA).

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U.S. Army Brig. Gen. David Warshaw

U.S. Army Brig. Gen. David Warshaw, Director, Operational Analysis Department, Operations & Integration Directorate (OI-OA)
U.S. Army Brig. Gen. David Warshaw is the Director of the Operational Analysis Department, Operations & Integration Directorate, Defense Threat Reduction Agency (DTRA).

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Don Cooper

Don Cooper, Director, Operations, Operations & Integration (OI-OP)
Don Cooper, a member of the Senior Executive Service (SES), is the Director of the Operations Department, Operations & Integration Directorate, Defense Threat Reduction Agency (DTRA).

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U.S. Air Force Brig. Gen. Todd A. Fogle

U.S. Air Force Brig. Gen. Todd A. Fogle, Deputy Director, Operations & Integration Directorate (OI)
U.S. Air Force Brig. Gen. Todd A. Fogle, Deputy Director, Operations & Integration Directorate (OI), Defense Threat Reduction Agency (DTRA).

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Marc Franciszkowicz

Marc Franciszkowicz, Deputy Director, Nuclear Enterprise (NE)
Marc Franciszkowicz, a member of the Senior Executive Service (SES), serves as the Deputy Director, Nuclear Enterprise, for the Defense Threat Reduction Agency (DTRA).

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Staff Offices

John Neal

John Neal, Inspector General
John Neal is the Inspector General (IG) for the Defense Threat Reduction Agency (DTRA).

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Mr. Mike Vitali
Mr. Mike Vitali

Chief, Legislative Affairs
Mr. Mike Vitali is the Chief of Legislative Affairs for the Defense Threat Reduction Agency (DTRA).

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Willisa Donald

Willisa Donald, Director, Equity, Diversity & InclusionPrograms
Willisa Donald is the Director of Equity, Diversity & Inclusion Programs for the Defense Threat Reduction Agency (DTRA).

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Sherry Davis

Sherry Davis, Chief, Environmental, Safety, & OccupationalHealth
Sherry Davis is the Chief of Environmental, Safety, & OccupationalHealth, Defense Threat Reduction Agency (DTRA).

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