Chief of Staff
Command Master Chief
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Rear Admiral Christopher Tomney assumed the duties of Director for
Joint Interagency Task Force South in April of 2015.
His previous flag assignments include Assistant Commandant,
Intelligence and Criminal Investigations and Director for
Joint Interagency Task Force West.
Rear Admiral Tomney graduated from the Coast Guard Academy
in 1986 with a Bachelor of Science degree in Marine Science.
He earned a Master of Science degree in Strategic Intelligence
from the Defense Intelligence College and completed a federal
executive fellowship at the Brookings Institution, earning
the Brookings Certificate in Public Leadership.
A practitioner of intelligence for over twenty years, Rear
Admiral Tomney served in a variety of intelligence assignments
involving training, operations, planning, and management.
He served as the School Chief for the Coast Guard’s Operational
Intelligence School, Deputy Director of the Coast Guard’s Pacific
Area Intelligence Division and briefly served as the Deputy
Director of the Coast Guard’s Counterintelligence Service.
Upon establishment, he served as the first Director of Intelligence
Operations for the Maritime Intelligence Fusion Center, Pacific.
His national level intelligence experience includes serving as the
Chief of the Coast Guard’s Intelligence Plans and Policy Office and
as the Executive Assistant to the Assistant Commandant for
Intelligence and Criminal Investigations. He also served as
Commanding Officer of the Coast Guard’s Intelligence Coordination Center.
Beginning his career in afloat operations, Rear Admiral Tomney
is a permanent cutterman and is qualified in tactical law enforcement.
He commanded USCGC POINT MONROE out of Freeport, Texas and USCGC OCRACOKE
out of Roosevelt Roads, Puerto Rico. He served as a Deck Watch Officer
in USCGC DILIGENCE and as Executive Officer in USCGC CONFIDENCE both
homeported in Cape Canaveral, Florida. Additionally, he commanded
Law Enforcement Detachment Two out of Key West, Florida.
Rear Admiral Tomney’s military decorations include the Coast Guard
Distinguished Service Medal, Defense Superior Service Medal, Legion
of Merit (2), the Meritorious Service Medal, the Coast Guard
Commendation Medal (4), the Navy-Marine Corps Commendation Medal,
the Coast Guard Achievement Medal (2), the Commandant’s Letter of
Commendation, the Humanitarian Service Medal, and the Kuwaiti
Liberation Medal. He has also been awarded the National Intelligence
Distinguished Service Medal.
Rear Admiral Clarke reported to Joint Interagency Task Force South in August 2014 from the Operations Directorate of the Joint Staff where he served as the Assistant Deputy Director for Regional Operations and Force Management (J35), from October 2012 through July 2014.
Born in Panama City, Panama, he grew up in Richmond, Virginia. He graduated from the University of Virginia in 1985 with a Bachelor of Science in Mechanical Engineering. In 1992 he earned a Masters in Business Administration from Chaminade University of Honolulu, Hawaii.
Clarke is a career submarine officer who served aboard USS INDIANAPOLIS (SSN 697), USS KENTUCKY (SSBN 737) and USS CHEYENNE (SSN 773) before commanding USS RHODE ISLAND (SSBN 740) (GOLD) from August 2002 to July 2005. While in command, his crew earned three consecutive Battle Efficiency “E” Awards and numerous departmental awards. Later he served as Commander of Submarine Squadron TWO from July 2009 to May 2011.
His shore assignments include tours as Assistant Intelligence and Special Projects Officer on the staff of Commander, Submarine Forces, U.S. Pacific Fleet, Squadron Engineer for Submarine Squadron TWENTY, and Staff Officer at Supreme Headquarters, Allied Powers Europe (SHAPE).
Following command, he served as the Submarine Operations Officer on the combined staff of Commander U.S. Naval Forces Europe, Commander U.S. SIXTH Fleet and Commander Task Force SIXTY NINE, Special Assistant to the Director, Naval Nuclear Propulsion for Personnel Policy and Training, and as Director for Operations, Commander Submarine Forces Atlantic.
Mr. David H. Lent assumed the duties of Vice Director for Joint Interagency Task Force South (JIATF) South in April of 2014.
Vice Director Lent is a combat veteran with over 30 years of government service. He began his Federal law enforcement career with the former U.S. Customs Service (USCS) in 1991, stationed in El Paso, Texas.
During his tenure he served as a Customs Pilot. In 1999, Mr. Lent became an Aviation Group Supervisor. In 2004, Mr. Lent transferred to Headquarters in Washington, D.C. where he served as Program Manager
for Enforcement Operations. From 2005 – 2006, Director Lent was mobilized by the U.S. Army and served as Chief, Training Strategy and Plans for the Multi-National Security Transition Command –
Iraq and as an advisor to the Assistant Chief of Staff of Training, Iraqi Joint Forces Command, Ministry of Defense, Baghdad, Iraq. Following the completion of his service in 2006, he returned to the newly
formed Office of Air and Marine (OAM) to continue his Program Manager duties. In 2007, Mr. Lent served as the Chief of Staff for OAM until his appointment as Director, Air Operations at the Houston Air and
Marine Branch from 2008 - 2014. During 2013 - 2014, he served as the Acting Director, Air and Marine Operations for the regional Customs and Border Protection (CBP), South Texas Campaign (STC).
In this role, Mr. Lent was responsible for providing oversight, coordination, and direction of flight and float operations and support within the STC corridor.
Vice Director Lent has served in a breadth of operational, staff and command military assignments on active duty and in the Reserve. He has had a prominent career in both management and aviation,
accumulating over 3,600 hours of flight time in fixed and rotary-wing aircraft.
Vice Director Lent graduated from Stetson University with a Bachelor of Arts degree in Political Science in 1984. In 1999, he completed a Master of Arts degree in Management from Webster University.
He completed the Senior Executive Development Program from George Washington University and the Harvard Kennedy School of Government Senior Executive Fellows Program. Mr. Lent has been recognized with numerous
prestigious awards including the Legion of Merit, Bronze Star Medal, Meritorious Service Medals, Army Commendation Medals, Joint Service Achievement Medal, National Defense Service Medals, Iraqi Campaign Medals,
Joint Meritorious Unit Award, Army Superior Unit Award, Commissioner’s Unit Citation, and the USCS Academy Outstanding Performance and Academic Achievement Awards.
Colonel Arthur D. Davis is the Chief of Staff, Joint Interagency Task Force South
(JIATF South), Key West, Florida. JIATF South is a national task force which
executes detection and monitoring of illicit traffickers in direct support of
international and interagency law enforcement interdiction operations.
JIATF South operations support U.S. National Security and international
Regional stability Prior to this assignment, Colonel Davis served as Commander,
58th Operations Group, 58th Special Operations Wing, Air Education and
Training Command, Kirtland AFB, New Mexico. The 58th Operations Group
trains mission-ready special operations, Personnel Recovery (PR), and
airlift aircrews in the TH-1H, UH-1H, HH-60G, HC-130P/N, MC-130H,
HC-130J, MC-130J, CV-22B, and corresponding simulators; provides
Specialized Undergraduate Pilot Training-Helicopter; conducts special
operations and PR intelligence training; and responds to contingencies,
humanitarian missions, and search and rescue missions.
Col Davis is a 1991 graduate of Auburn University earning his commission
through the Air Force ROTC program. He has served on various joint and
service staffs to include the Joint Chiefs of Staff, the Air Staff,
Headquarters Air Force Special Operations Command, and a Combined Joint
Special Operations Task Force. His deployments include Operations DENY
FLIGHT, DELIBERATE FORCE, and JOINT ENDEAVOR in Bosnia, Operation
ENDURING FREEDOM, and Operation IRAQI FREEDOM. Col Davis is a Master
Navigator with over 4,000 flight hours, including more than 750 combat
hours as navigator on the EC-130E Airborne Battlefield Command and Control
Center and AC-130H Gunship.
Col Davis' decorations include: 2012 Military Officers Association of America Award for Joint Service Warfare,
Legion of Merit,
Defense Meritorious Service Medal,
Meritorious Service Medal with two oak leaf clusters,
Air Medal with seven oak leaf clusters,
Aerial Achievement Medal with four oak leaf clusters,
Air Force Commendation Medal with two oak leaf clusters,
Joint Service Achievement Medal with one oak leaf cluster,
Air Force Achievement Medal with one oak leaf cluster and
Air Force Combat Action Medal.
Master Chief Shawn Marchinek assumed the duties of the Command
Master Chief for Joint Interagency Task Force (JIATF) South,
Key West, Florida, July 7, 2015. As the Senior Enlisted Advisor
to the Director and staff of JIATF South, he advises on workforce
policies, is the senior enlisted mentor, and acts as the sounding
board for select administrative actions and initiatives relative
to the day to day operations with the joint command structure.
Prior to his current assignment, Master Chief served as the Command
Master Chief for Coast Guard Sector Puget Sound in Seattle, Washington.
Master Chief Marchinek enlisted in the U.S. Coast Guard on
February 10th, 1992. Following basic training at Coast Guard
Training Center Cape May, New Jersey, he reported to Coast
Guard Polar Ice-Breaker USCGC POLAR SEA (WAGB 11) in Seattle,
Washington. Two years later, he transferred to USCGC
CUTTYHUNK (WPB 1322) Port Angeles, Washington. In June 1995,
he attended Coast Guard Telecommunications Specialist Class
‘A’ school in Petaluma, California. He subsequently served
aboard USCGC ACTIVE (WMEC 618) Port Angeles, Washington.
In addition, Master Chief Marchinek completed shore assignments
at Communications Area Master Station Pacific (CAMSPAC) Point
Reyes, California; USCG Group Port Angeles, Washington; USCG
District Thirteen, Seattle, Washington; and USCG Vessel Traffic
Center Valdez, Alaska and deployed with USCG Port Security
Unit 313 to Pusan, Korea in support of Operation Foal Eagle
2000. In June 2009, Master Chief Marchinek was invited to
join the faculty of the Navy’s Senior Enlisted Academy in
Newport, Rhode Island, as the first Coast Guard Faculty Advisor.
Master Chief Marchinek holds an Associates of Arts degree in
Business Administration from Coastline Community College and
Bachelors of Science in Public Administration from Roger
Williams University. He is a graduate of the Coast Guard
CPO Academy, Class 116; Coast Guard Command Master Chief
Course; and Army Sergeants Major Academy, Class 59.
His decorations include the Meritorious Service Medal,
two Coast Guard Commendation Medal (with ‘O’ Device), Navy
and Marine Corps Commendation Medal, Coast Guard Achievement
Medal, two Coast Guard Commandant’s Letter of Commendation
(with ‘O’ Device) and various unit and service awards. He
also earned the Cutterman and Boat Force Operations Insignias.