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Exploration Medical Capability

The Exploration Medical Capability (ExMC) element of NASA’s Human Research Program (HRP) promotes human health and performance in space by advancing medical systems design and risk-informed decision-making for exploration beyond low-Earth orbit.

ESA (European Space Agency) astronaut Samantha Cristoforetti operates the rHEALTH One analyzer on the International Space Station in May 2022.

Meet the ExMC Team

Element leaders integrate and coordinate science, as well as handle project costs, schedules, technical work, and resources. Across HRP, all leadership teams work hand-in-hand to ensure that research proposed by the other HRP elements is implemented using the best method possible while maintaining the health of crew members.

Meet the leadership team for HRP’s ExMC element.

ExMC Leadership

Nancy Fleming portrait

Nancy Fleming, Element Manager

Nancy Fleming began her career at NASA as an International Space Station avionics and systems instructor for astronauts and flight controllers.

Kris Lehnhardt

Kris Lehnhardt, Element Scientist

Kris Lehnhardt serves as an associate professor with the Baylor College of Medicine in the Center for Space Medicine and the Department of Emergency Medicine.

Andrea Marchica portrait

Andrea Marchica, Deputy Element Manager

Andrea Marchica began her career with NASA as an International Space Station payload facility controller for the Fluids Integrated Rack, a platform that helps astronauts study fluid physics in space.

Ben Easter

Ben Easter, Deputy Element Scientist

Ben Easter is a board-certified emergency physician and associate professor of emergency medicine at the University of Colorado School of Medicine.

Jay Lemery

Jay Lemery, Associate Element Scientist

Jay Lemery, M.D., is a professor of emergency medicine and the Climate and Health Foundation endowed chair in climate medicine at the University of Colorado School of Medicine.