Dr. Mary Cleave Appointed to Board of Directors of Sigma Space Corp.
"Sigma Space Corp. announced the appointment of Dr. Mary Cleave to its Board of Directors, effective October 1st, 2007. Dr. Mary L. Cleave was the Associate Administrator for NASA's Science Mission Directorate until March of this year. She also served as deputy associate administrator (advanced planning) in the Office of Earth Science at NASA Headquarters."