Bruce W. MacDonald has taught and lectured at the Johns Hopkins School of Advanced International Studies on Nuclear Nonproliferation and consults on nuclear, military space, and cyber security policy issues. He is the editor and co-author of the 2016 book Crisis Stability in Space: China and Other Challenges, with contributions from ADM Dennis Blair and others. He was Senior Director to the Congressional Commission on the Strategic Posture of the United States, the commission led by former Defense Secretaries William Perry and James Schlesinger. He has participated in numerous Track 1.5 and Track 2 dialogues with Chinese, Russian, South Korean, and other counterparts and supported advanced technology program managers at DARPA and CIA. MacDonald worked on ballistic missile defense (BMD) and strategic nuclear issues in the Clinton White House as Senior Director for Science and Technology on the National Security Council staff and in the Office of Science and Technology Policy. He was a professional staff member for the House Armed Services Committee responsible for oversight of military space, Air Force, BMD, and strategic forces acquisition budgets. At the State Department he analyzed strategic forces, BMD, and arms control, served on the U.S. START delegation in Geneva, and chaired the Reagan-era Interagency START Policy Working Group. MacDonald has a BSE and MSE in aerospace engineering and MPA from Princeton University and is a life member of the Council on Foreign Relations and AIAA.