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Leadership-level org chart with named principals, acting designations, PEO/PAE structure, and PMO portfolio. Includes search, expand/collapse, and source attribution.

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Organizational Intelligence

Defense Health Agency
Organizational Structure

Structure effective 20 APR 2026 Leadership as of 30 APR 2026 IOC: 21 APR 2026 · FOC Target: 19 JUL 2026 Source: AD-RDA Town Hall 29APR26 (UNCLASSIFIED)
Acting
New Organization
FOC Target
ℹ
Restructuring in Progress. DHA completed Initial Operating Capability (IOC) on 21 APR 2026 under Vice Admiral Darin K. Via. Full Operating Capability (FOC) targeted 19 JUL 2026 (briefed town-hall target). Key transitions: PEO DHMS moving under AD-RDA, J-4/J-6 moving to AD-SPFO, three Portfolio Acquisition Executives (PAEs) standing up to replace PEO Medical Systems construct.
Office of the Director
Director · DHA 5
VADM Darin K. Via
Director, Defense Health Agency
▲ O-9 Vice Admiral
Deputy Director
Dr. David J. Smith
Deputy Director, DHA
SES Civilian
Command Senior Enlisted
FORCM PatrickPaul Mangaran
"PaP" · Command Senior Enlisted Leader
E-9
HQ Operations
Mr. Stephen Marty
Director, Headquarters Operations
OWHA · New
RDML Tracy Farrill
Director, Office of Warfighter Health Advantage
New Entity
Special Staff
General Counsel · DAG · Program Integration · Comms & PA
Three Assistant Directors (Principal Lines)
AD-HCAO
BG Bill A. Soliz
Acting Asst. Director · Healthcare Administration & Operations
Acting · O-7 BGen
Operations, Strategy & Plans
J-3/5 Ops, Strategy & Plans
Principal Deputy (vacant)
J-7 Education & Training
METC, ASBP, JTS, AFMES
J-9 Requirements (New)
New construct under HCAO
Healthcare Operations
Healthcare Operations
Medical Affairs
DSPO
Defense Suicide Prevention Office
Public Health
TRICARE Health Plan
Subordinate Activities
METC
Fort Sam Houston
Armed Services Blood Program
Joint Trauma System
Armed Forces Medical Examiner System
AD-RDA / CAE
RDML Ivonne Arena
Acting Asst. Director · Research, Development & Acquisition / Component Acquisition Executive
Acting · O-7 RDML (USPHS)
Principal Deputy RDA / DCAE
Mr. Brett Scheideman
Acting NH-IV · S&T, Chief Scientist, Industry Engagement, Category Mgmt
Acting NH-IV
MILDEP AD-RDA
COL Basia Bujak
Military Department AD-RDA Liaison
AD-RDA at IOC (21 APR 2026) · 4 Acting program execs + DHACA + DHA R&D · 19 PMOs distributed per AD-RDA Town Hall slide
PEO DHMS
Mr. James Perkins (Acting)
Acting PEO · Defense Healthcare Management Systems
Acting PEO
DOD Healthcare Mgmt System Modernization
MHS GENESIS · HCDS recompete (award target Jul 2026)
Joint Operational Medicine Information Systems
JOMIS
Enterprise Intelligence & Data Solutions
EIDS
EHR portfolio acquisition reporting → USW(A&S)
Bypasses DHA CAE for MHS GENESIS / JOMIS / EIDS
PEO Medical Systems
COL Marcus Moss (Acting)
IOC only · absorbs into PAE Medical Digital Solutions by FOC
Acting PEO
Health Services Support
Occ. & Env. Health Surveillance & Readiness
Clinical Support
MEDLOG IT
Web & Mobile Technology
Care & Benefits Integrated Systems
PAE Medical Services · New
Mrs. Madeleine Friedman (Acting)
Acting PAE · stands up at IOC
Acting PAE
Enterprise Medical Services
Reserve Health Readiness
Virtual Health
TRICARE Acquisition Cell
Acquisition of Services Center of Excellence
PAE Medical Products · New
Ms. Caitlyn Felkoski (Acting)
Acting PAE NH-IV · stands up at IOC
Acting PAE · NH-IV
Warfighter Readiness, Performance & Brain Health
Warfighter Expeditionary Medicine & Treatment
Warfighter Protection & Acute Care
Medical Devices & Equipment
Medical Simulation & Training
DHACA
Mr. James Watkins
DHA Contracting Activity
DHA R&D / MRDC
MG Paula Lodi
Medical Research & Development Command
Budget -59%
FOC (19 JUL 2026 · briefed target): Three PAEs stand up fully · PAE Medical Digital Solutions (absorbs Perkins's 3 DHMS PMOs + Moss's 6 PMOs), PAE Medical Services (Friedman), PAE Medical Products (Felkoski). PEO DHMS and PEO Medical Systems both dissolve into PAE structure. DHACA and DHA R&D continue as direct reports. Note: PAE Medical Digital Solutions has no named Acting lead at IOC · leadership assignment is a Key Next Step.
Source: AD-RDA Town Hall briefing slides, 29 APR 2026 (DHA HQ Senior Leaders effective 04 MAY 2026, DHA Org Structure as of 20 APR 2026, AD-RDA Day 2 / IOC, AD-RDA Day 90 / FOC, Key Next Steps IOC to FOC).
AD-SPFO
Mr. Michael R. Emerson
Assistant Director · Support, Personnel & Financial Operations
SES Civilian
J-1 Personnel & Administration
J-8 Financial Management
TRICARE Program Resource Mgmt · Defense Health Programming
J-4 Medical Logistics ← FOC
DHA Facilities Enterprise
J-6 Chief Information Office ← FOC
9 Direct Reporting Networks (Healthcare Operations)
Continental
East
West
Central
Atlantic
NCR (National Capital Region)
Europe
Pacific Rim
Indo-Pacific
Governance · Boards & Panels
Corporate Executive Board (CEB)
Top governance tier
Executive Management Board (EMB)
Reports to CEB
Resource Oversight Board (ROB)
Facilities Panel
Operations Integration Board (OIB)
OIS Panel · E&T Panel
Warfighter Modernization & Support Integration Board (WMSIB)
Co-chaired DCAE + OWHA · Support Panel · S&T Panel · PAE CTCs
Healthcare Integration Board (HCIB)
HCD Panel

Eliminated in reorg: IT Integration Board, Acquisition Integration Board (functions absorbed into WMSIB / OIB). Source: AD-RDA briefing governance slides.

IOC → FOC Transition Milestones
✓ 21 APR 2026 IOC · AD-RDA stood up under RDML Arena. Acting leaders in place across all PAEs, PEOs, and DHACA.
→ 19 JUL 2026 FOC · PEO DHMS consolidates under AD-RDA. J-4/J-6 move to AD-SPFO. USAHCA workload → DHACA. Three PAEs fully stood up with signed charters and delegation memos.

Sources: DHA-ORG-20APR26 · AD-RDA Town Hall 29APR26 (UNCLASSIFIED) · DHA.mil · Mission Meets Tech Research · Verified 30 APR 2026