Alexander MacDonald
Director - Emerging Space Office · NASA
Alexander MacDonald is recognized as an expert on the economic history of American space exploration.
Commercial Spaceflight Future of Space Exploration Space Policy
Tanya Harrison
Director of Science Strategy · Planet Labs
Professional Martian who has worked on rocks and robots on the Red Planet.
Space and Astrophysics Climate Change Satellite Based Remote Sensing of the Earth/atmosphere System Earth Science Women in STEM Careers