National Aeronautics and Space Administration (NASA)Senior Assistant, Exploration Systems Development Mission Directorate (ESDMD)

Sam Scimemi is the Senior Assistant in the Exploration Systems Develop Mission Directorate at NASA Headquarters. He is a key advisor for the implementation of NASA’s Moon to Mars exploration endeavor, including the Artemis program that will return U.S. astronauts to the Moon for the first time in the 21st century. Mr. Scimemi is the directorate’s primary interface for collaborations with international partners in formulating deep space human exploration activities, and represents the agency across U.S. government, industry, and other domestic stakeholder groups. He is a recognized leader in human spaceflight, from operations in low-Earth orbit (LEO) aboard the International Space Station and development of a LEO economy, to plans for sending humans to the Moon and onto Mars. He joined NASA in 1985 with the Space Shuttle Program. His experience spans Earth and space science programs including the Hubble Space Telescope, Stratospheric Observatory for Infrared Astronomy, the National Polar-orbiting Operational Environmental Satellite System (NPOESS) Preparatory Project, and many others. In his most recent role, Scimemi was director of the International Space Station Division. He has been at NASA headquarters since 2003, and also has worked at Johnson Space Center, Ames Research Center, and Goddard Space Flight Center.


International Astronautical Congress 2023

2-6 October 2023

Baku, Azerbaijan


International Astronautical Congress 2019

21-25 October 2019

Washington, United States


International Astronautical Congress 2017

25-29 September 2017

Adelaide, Australia