Navigation Technology and Risk Management Division

CAPT Keith M. Ropella
Office of Navigation Systems, Chief

CDR Justin A. Kimura
Navigation Technology and Risk Management Division Chief

Mr. Jorge Arroyo
AIS Specialist/Tech Standards

Mr. Walter T. Ham IV
Public Affairs Officer

Mr. Dave Lewald
AIS/GIS/USAIMS

Mr. Jonathan Hsieh
Risk Management Analyst

LT David Lieberman

Please contact us at:
cgnav@uscg.mil

COMMANDANT (CG-NAV-3)
US Coast Guard Headquarters
2703 Martin Luther King Jr Ave SE, Stop 7418
Washington, DC 20593-7418