ATP International Series | International Monetary Fund | Society of Jesus | Royal Society | International Red Cross and Red Crescent Movement | ATP International Series Gold | National Geographic Society | International Space Station | Amnesty International | International Olympic Committee | BirdLife International | International Finance Corporation | International Organization for Standardization | International Telecommunication Union | International Criminal Court | engineering | American Cancer Society | Engineering | One Day International | International Nonproprietary Name | International Labour Organization | International Civil Aviation Organization | International Boxing Federation | Toronto International Film Festival | International Atomic Energy Agency | International Maritime Organization | International Development Association | John F. Kennedy International Airport | Los Angeles International Airport | International Bank for Reconstruction and Development |
Dr. Johnson is a Full Academician of the International Academy of Astronautics (IAA), a Fellow of the International Society for Optical Engineering (SPIE), the American Institute of Aeronautics and Astronautics (AIAA), and the Institute of Electrical and Electronics Engineers (IEEE), and a member of Eta Kappa Nu, Tau Beta Pi, and Phi Kappa Phi.
He is a fellow of the Optical Society of America (OSA), Institute of Physics (IOP), the International Society for Optical Engineering (SPIE) and the Japan Society of Applied Physics (JSAP).