Daniel Ginsberg is the associate director of the Forces and Resources Policy Program (FRP) of the RAND National Security Research Division, and a senior international and defense researcher at the RAND Corporation. His research has centered on organizational management, military reserves, and military and civilian personnel policy. 

Prior to joining RAND, Ginsberg was a senior advisor and project director with the National Academy of Public Administration. He led or provided subject expertise to studies on employee engagement at the U.S. Secret Service, the small Unmanned Aerial Systems federal registration regulation, and the science analysis and advice available to the U.S. Congress.

From 2009 to 2013, he served as the Assistant Secretary of the Air Force for Manpower and Reserve Affairs, supervising military and civilian personnel policy, medical readiness, family support programs, and reserve matters for the more than 700,000-person armed service. Before then, Ginsberg served for a decade as the senior defense policy advisor to U.S. Senator Patrick Leahy of Vermont. He coordinated the bipartisan U.S. Senate National Guard Caucus. He is also a former research assistant for the U.S. Senate Armed Services Committee during the chairmanship of U.S. Senator Sam Nunn of Georgia.

Ginsberg has an M.A. in strategic studies from the Johns Hopkins School of Advanced International Studies and an B.A. in political science from the University of Michigan.