Scholars and Fellows
Adjunct Senior Research Scholars for National Security Law
Robert J. Rosen is an Adjunct Senior Research Scholar for National Security Law at Columbia Law School. He advises the Roger Hertog Program on Law and National Security, especially on matters of Middle East affairs, terrorism, and American politics of security. Starting in September 2014, he will be teaching a seminar on “Terrorism, War and Democracy” at his undergraduate alma mater, the University of Massachusetts in Amherst.
A graduate and Harlan Fiske Stone Scholar of Columbia Law School, Mr. Rosen has served as Managing Member of Greyhawke Capital Advisors LLC since 1998. He is also serving as an independent director of KLS Diversified, a hedge fund specialized in trading multiple debt strategies. Earlier in his career, Mr. Rosen practiced law as a senior partner at Hertzog, Calamari & Gleason and Rosen, Hacker & Nierenberg. Mr. Rosen serves as Co-Chairman of the Honorary Board of Kids in Crisis, a children's crisis intervention center in Fairfield County, Connecticut and as a Director of Inspirica, one of the largest providers of services to the homeless in Connecticut. He is also a member of the Steering Committee of the Columbia Law School Board of Visitors.
Mel M. Immergut is a Lecturer in Law and an Adjunct Senior Research Scholar for National Security Law. An expert in defense policy and military affairs, he also helps lead the Hertog Program's activities related to the private sector and national security.
Mr. Immergut is the former Chairman of Milbank, Tweed, Hadley & McCloy, having served in the role from 1995 to 2013. He has been a partner in the firm’s Corporate Group since 1980. Mr. Immergut has extensive experience in a wide variety of corporate governance, board advisory and transactional work, including M&A transactions, financing transactions and leveraged leasing. Mr. Immergut received his B.A. from the University of Pennsylvania and his J.D. and M.B.A. from Columbia University. He is a member of the Columbia Law School Dean's Council and the Columbia Law School Board of Visitors. Mr. Immergut also serves as a member of the Lower Manhattan Development Corporation Advisory Council, the Partnership for New York City and the Council on Foreign Relations. Additionally, he is a member of the United States European Command Advisory Panel and a former member of the United States Southern Command Advisory Panel. Mr. Immergut is Vice Chairman and a Trustee of the Intrepid Sea, Air & Space Museum, and serves on the Defense Business Board of the United States Department of Defense.
Graduate Research Fellows
Shawn W. Lonergan is an intelligence officer in the United States Army and a PhD student in the Department of Political Science at Columbia University where he researches state interaction in cyberspace, Internet governance, cyber security, and cyber ethics. Before enrolling at Columbia, he worked in cyber operations while assigned to the National Security Agency at Fort Meade Maryland. Following a 15-month deployment to Iraq in 2008, he was recruited to help the U.S. Army stand up its first provisional cyber battalion. In this capacity he commanded two of the unit’s expeditionary cyber operations companies. Shawn holds a master’s degree from Columbia and is a graduate of the United States Military Academy at West Point, where he is an instructor in the Academy’s distinguished Department of Social Sciences. For his service he has been awarded the Bronze Star, the Army Meritorious Service Medal, the Joint Service Commendation Medal, and the U.S. Army Intelligence and Security Command MacArthur Leadership Award, given annually to a single officer for superb leadership. Additionally, he won the 2013 Atlantic Council’s Cyber 9/12 national collegiate competition.
Mira Rapp-Hooper is a Ph.D candidate in Political Science at Columbia University. Her dissertation, entitled "Absolute Alliances: Signaling Security Guarantees in International Politics," analyzes the formation and management of so-called nuclear umbrella alliances. Her research interests include nuclear policy and strategy, alliance politics, security in East Asia, and US foreign policy. Mira has previously worked on nuclear strategy and conflict escalation issues for the RAND Corporation, and is currently a Stanton Nuclear Security Fellow at the Council on Foreign Relations. During the 2014-2015 academic year she will be a National Fellow for Public Policy at the University of Virginia's Miller Center and a MacArthur Nuclear Security Fellow at Stanford University's CISAC. Mira's work has appeared in Political Science Quarterly, Security Studies, Survival, The National Interest, and Foreign Affairs, among others. She holds a B.A. in History from Stanford University and an M.A. and an M. Phil from Columbia University.