Command Bios

Photo of David D. Carnal, Commanding Officer, NAVSUP Business Systems Center

Captain David D. Carnal

Commanding Officer, NAVSUP Business Systems Center
Supply Corps, U.S. Navy

Capt. David D. Carnal assumed command of Naval Supply Systems Command (NAVSUP) Business Systems Center in Mechanicsburg, Pennsylvania, October 2022. A native of Pine Bluff, Arkansas, Carnal received his commissioning as a Navy officer through the U.S. Naval Academy, in Annapolis, Maryland, May 1996.

Carnal received his Bachelor of Science degree in computer science from the U.S. Naval Academy and Master of Science degree from Naval Postgraduate School Operations Research - Logistics Analysis program. Carnal served as the disbursing and sales officer aboard USS Oscar Austin (DDG 79) and supply officer aboard USS Hawes (FFG 53) and USS Wasp (LHD 1).

While aboard Wasp, Carnal led the the ship’s Supply department through sustained combat operations lasting more than 100 consecutive days at sea in support of Operation Odyssey Lightning and embarked 22nd Marine Expeditionary Unit.

In 2009, he served as the analytics cell chief for U.S. Central Command Deployment and Distribution Operations Center (CDDOC) at Camp Arifjan, Kuwait, where he assessed mobility requirements and capacity in support of Operations Iraqi Freedom and Operation Enduring Freedom.

Carnal previously served as deputy assistant commander, Supply Chain Technology and Systems Integration, NAVSUP. Additional shore assignments include logistics operations and plans officer, U.S. Naval Forces Central Command, U.S. Fifth Fleet; combat logistics force program manager, Office of Chief of Naval Operations; supply corps officer community manager, Bureau of Naval Personnel Three, NAVSUP Office of Personnel; surface operations director, NAVSUP Weapon Systems Support.

His joint assignments include transportation policy officer and executive officer, U.S. Transportation Command; joint mobility operations analyst, Military Surface Deployment and Distribution Command Transportation Engineering Agency, U.S. Transportation Command Joint Distribution Process Analysis Center; chief, Analysis Cell, CDDOC. Carnal is a qualified Surface Warfare Supply Corps Officer and Naval Aviation Supply Officer, Joint Qualified Officer, and a member of the Navy Acquisition Professional community.

He has been awarded the Legion of Merit, Defense Meritorious Service Medal (two awards), Meritorious Service Medals (four awards), Joint Service Commendation Medal, Navy and Marine Corps Commendation Medal (three awards), Navy and Marine Corps Achievement Medal, and various expeditionary, campaign, and unit awards.

Commander Anton A. AdamCommander Anton A. Adam

Executive Officer, NAVSUP Business Systems Center
Supply Corps, U.S. Navy

Cmdr. Anton Adam assumed duties as executive officer, Naval Supply Systems Command (NAVSUP) Business Systems Center, in Mechanicsburg, Pennsylvania, August 2023.

A native of Itasca, Illinois, Adam graduated from Northwestern University with a Bachelor of Science degree and received his Master of Business Administration in supply-chain management from University of Wisconsin-Madison. He commissioned as a Navy officer in June 2008 and attended Navy Supply Corps School in Athens, Georgia.

Adam forward deployed as logistics operations officer for Commander, U.S. 7th Fleet (C7F) in Yokosuka, Japan, where he led the Logistics Readiness Cell through Maritime Operations Center certification during Operation Keen Edge 20, and developed Safe Haven Liberty policies to enhance port visits for C7F ships conducting COVID mitigations.

At sea, he served as supply officer aboard the Virginia-class submarine USS North Carolina (SSN-777), and led the department through a post-shakedown availability, homeport change from Groton, Conn. to Pearl Harbor, Hawaii, and maiden deployment supporting C7F operations in the Western Pacific.

As stock control officer aboard the Nimitz-class aircraft carrier USS Carl Vinson (CVN-70), Adam led his division through a compressed workup cycle, planned incremental availability, and board of inspection and survey that culminated in a five-month Western-Pacific deployment in support of U.S. Pacific Fleet operations in the South China Sea and Sea of Japan.

On shore, he served as assistant program manager for Maintenance Figure of Merit at the Department of the Navy Program Executive Office for Manpower, Logistics, and Business Systems in San Diego, and Business Enterprise Management intern and Submarine Integrated Weapon Support Team at NAVSUP Weapon Systems Support in Mechanicsburg.

Adam is a graduate of the Navy Understanding Industry course from the University of Virginia Darden School of Business and holds Defense Acquisition Corps and Defense Acquisition Workforce Improvement Act Level II certification in program management.

He has been awarded the Navy Meritorious Service Medal, Navy/Marine Corps Commendation Medal, Navy/Marine Corps Achievement Medal, and various campaign and unit awards.

Photo of Brian Zirbel - Executive Director, NAVSUP Business Systems Center

Mr. Brian A. Zirbel

Executive Director, NAVSUP Business Systems Center

Brian A. Zirbel assumed duties as the executive director of Naval Supply Systems Command (NAVSUP) Business Systems Center (BSC) in Mechanicsburg, Pa., June 2017. He is a native of Green Bay, Wis. and graduated from University of Wisconsin-Eau Claire in 1983. In 1996, he completed Naval Postgraduate School’s Information Technology Management program.
He served on active duty 1985-2000 as a Navy Supply Corps officer. His past sea-duty assignments include Strike Fighter Squadron (VFA 113), USS Constellation (CV 64), USS George Washington (CVN 73), USS Essex (LHD 2), and USS Belleau Wood (LHA 3).

Additionally, he served as the Information Systems project officer and Logistics Information Systems department director, at Naval Inventory Control Point in Mechanicsburg.

From 2000-2004, Zirbel worked as director of Enterprise Architecture Practice for META Group and led numerous consulting engagements for public and private organizations to include U.S. Department of the Interior, the states of  Calif. and Ohio, and several insurance companies.

In 2004, he served as NAVSUP chief engineer and shortly after, assumed an additional role as director, Technical Solutions department. In 2013, he was appointed as director, Data and Analytics department for NAVSUP BSC, and later as the director, Navy Enterprise Resource Planning Services department.

Zirbel is currently a member of the Harrisburg University Information Technology Board of Advisors and the Penn State Harrisburg Information Technology Advisory Board. He has previously served as a member of the Navy Integration and Operability Working Group, Navy's Business Intelligence Center of Excellence, Navy Internet Protocol Version 6 Steering Group, Navy Interoperability Solutions Executive Committee, Navy FORCEnet Coordination Council, and NAVSUP Inspector General Inspection Team.

Zirbel earned the Department of the Navy’s Information Management/Information Technology Excellence Award for the consolidation of 30 networks and 716 servers into a single NAVSUP Enterprise Network. Additionally, he established the Navy Business Intelligence Service to transform multiple stove-pipe systems into a data-driven decision-making capability for Navy leaders.

Zirbel has been awarded various personal awards including the Superior Civilian Service Award, Meritorious Civilian Service Award, Navy Commendation Medal (three awards), and Navy and Marine Corps Achievement Medal (two awards).


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