DA
Defense Agency
Defense Advanced Research Projects Agency (DARPA)
Defense Advanced Research Projects Agency. Under USD(R&E)/CTO authority per Jan 9 2026 memo. Responsible for breakthrough and foundational R&D for national security.
T1
SW
Stephen Winchell
Director
Deputy / Chief of Staff1 person
T2
LM
LTC Matt Limeberry
Commander, Rapid Assessment of Prototype Technology Readiness (RAPTR)
Assistant Secretary7 people
T4
BD
Bryan Dorland
Principal director for Space Technology/ Critical Technologies (ASD(CT))
T4
FS
Forrest Shull
Principal Director for Advanced Computing and Software
T4
JC
James Caggy
Assistant secretary of defense for mission capabilities
T4
JW
James Weber
Principal Director Hypersonics
T4
KS
Kate Sixt
Principal Director Biotechnology
T4
MS
Meggan Schoenberg
Principal Director for Integrated Network System of Systems (INSS)
T4
RM
Robert Manz
Principal Director Energy Resilience
Deputy Assistant Secretary4 people
T5
AL
Alex Lovett
Deputy Assistant Secretary of War for Prototyping and Experimentation
T5
MH
Marcia Holmes
Principal Deputy Assistant Secretary of Defense for Mission Capabilities
T5
MK
Melinda K. Reed
Deputy Assistant Secretary of War for Enabling Technology
T5
PH
Peter Highnam
Principal Deputy Assistant Secretary of War for Critical Technologies
Senior Advisors1 person
T6
BC
Brett Cusker
Executive Director
Directors21 people
T7
AD
Allan Dianic
Director, Software Engineering (SWE)
T7
BR
Bob Robinson
Director Operations
T7
CJ
COL Jefferey Naff
Director, Foreign Technology Testing
T7
CM
COL Marcus J. Reynolds
Director, Global C2 Operations & Training, Missile Defense Agency
T7
CD
Chris DeLuca
Director of Specialty Engineering, Mission Capabilities
T7
DH
Daniel Hettema
Director of Digital Engineering, Modeling & Simulation (DEM&S)
T7
DW
Douglas Williams
Director for Test Targets, MDA
T7
GR
George Rumford
Director of the Department of the Test Resource Management Center (TRMC)
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Deputy Directors11 people
T8
BB
Bethany Brown
Deputy Director BTO
T8
JG
Jim Gimlett
Deputy Director DSO
T8
JM
John Main
Deputy Director
T8
JM
John-Francis Mergen
Deputy director Information Innovation Office (I2O)
T8
LR
LTC Ryan McGuire
deputy director for strategic intelligence, military assistant
T8
MG
Mike Geertsen
Deputy Director
T8
NL
Nicholas Law
Deputy Director, Emerging Capabilities, Prototyping & Experimentation
T8
RS
Rob Saperstein
Deputy Director BTO?
+3more
Associate Directors3 people
T9
AL
Austin Leach
Associate Director
T9
DJ
Daniel Juliano
Associate Director
T9
NH
Nicholas Haeuptle
assistant director program management (ADPM) Information Innovation
Program Managers51 people
T10
AL
Aaron Lazarus
Office Director
T10
AW
Adam Willis
Program Manager
T10
AL
Alexander Lovett
Performing the Duties of Assistant Secretary for Mission Capabilities (PTDO
T10
AX
Amy X. Gray
Navy Portfolio Lead, Systems Engineering and Technical Assistance APFIT
T10
BR
Bartlett Russell
Office Director DSO
T10
BH
Brendan Henry
Senior Exec Asst to Director of Biological Technologies Office
T10
BS
Brian Scott
PM, Cyber Security
T10
BC
Byron Cook
Program Manager
+43more