Adam F. Greenstone

Adam F. Greenstone is NASA’s Agency Counsel for Ethics. Mr. Greenstone manages NASA’s Government Ethics program, which advises NASA employees and leaders on U.S. Government standards of ethical conduct and related ethics laws. Supported by ethics officials at each NASA Center, NASA’s Government Ethics program advances NASA’s mission by helping ensure that NASA and its employees maintain the public’s trust. Mr. Greenstone has also authored the article “Ethics and public integrity in space exploration,” Acta Astronautica, Volume 143 (2018), and serves on the Enterprise Risk Management Committee of the International Astronautical Federation.

Prior to returning to NASA in 2004, where he originally practiced from 1992-97, Mr. Greenstone was the General Counsel and Deputy General Counsel of the Office of Administration, Executive Office of the President. As a career civil service attorney, he provided legal counsel and advice for a range of activities within the Executive Office of the President, including ethics, employment, information disclosure, information security, procurement and the establishment of White House interagency groups. Earlier in his career he served as the law clerk to the Honorable Eugene R. Sullivan, Chief Judge of the United States Court of Military Appeals (now the United States Court of Appeals for the Armed Forces).

Mr. Greenstone is a recipient of NASA’s Space Flight Awareness Honoree Award. He earned his Bachelor’s degree from Gettysburg College, his Master’s degree from the London School of Economics and Political Science, and his law degree from George Washington University. Mr. Greenstone has also participated in executive education at Carnegie Mellon University and Harvard University’s Kennedy School of Government. He is admitted to practice law in Pennsylvania, the District of Columbia and New York. Mr. Greenstone also volunteers as a Director on the board of directors of the NASA Federal Credit Union, and is certified as a Financial Risk Manager (FRM) by the Global Association of Risk Professionals.