Director for Defence and Security Exports, Department of Business and Trade

Director, Japan-U.S. Defense Cooperation Division, Ministry of Defense, Japan

Acting Assistant Secretary of the Army (Acquisition, Logistics, and Technology) (ASA (ALT)), United States Army

国際事業開発ディレクター (International Business Development Director), Systems Engineering and Assessment (SEA)

Army Strategic Engagement & Plans (ASEP), British Army

German Embassy Tokyo

Programme & Technical Director, GCAP International Government Organisation (GIGO)

Senior Research Fellow, Indo Pacific Security, RUSI

Program Leader of the Australian Defence Science and Universities Network, Department of Defence

Vice President Asia-Pacific, Northrop Grumman, USA