Faculty and Staff

Our faculty bring decades of experience in government, non-profits, business, and consulting to the classroom, creating a unique learning environment that is constantly evolving.

Alan Tidwell, PhD, Director

Professor Alan Tidwell is Director of the Center for Australian, New Zealand and Pacific Studies at the Edmund A. Walsh School of Foreign Service, Georgetown University. Prior to joining Georgetown University, he was a program officer with the United States Institute of Peace, where he specialized in conflict resolution and capacity building in Southeast Asia. His work focused particularly on the peace processes in Mindanao and Aceh. Tidwell collaborated with scholars from these conflict-affected regions to develop conflict resolution cirriculum programs. In 1992 Tidwell, a Washington D.C. native, moved to Sydney, Australia where he was a lecturer in the Centre for Conflict Resolution at Macquarie University. Later, he moved to Sydney University where he became the research director of the Australian Centre for American Studies. At Sydney University Tidwell focused on enhancing the Australian American relationship through research and public education. He returned to Macquarie University as a senior lecturer at the Graduate School of Management, specializing in conflict resolution and negotiation. He holds a PhD in international relations from the University of Kent, a Masters in professional ethics from the University of New South Wales, and a Masters degree in conflict management from George Mason University.

Adjunct Faculty
Gregory S. Brown, PhD

Gregory S. Brown, PhD is an adjunct professor in CANZPS and Senior Analyst at CENTRA Technology, Inc., where he focuses on the analysis of transational and emerging national security issues. He has served as a consultant and editor for the Millennium Project's Global Challenges Program on Transational Organized Crime (2012-2013), a Research Fellow in the Australian Centre at the University of Melbourne (2001-2002), and an Australian National University Parliamentary Fellow in the Office of the Shadow Minister for Immigration and Multiculturalism in Canberra (1999). Brown's acadmic work in political demography, comparative migration policy, and diaspora politics has been highlighted in The Economist, The Australian, and the New Zealand Herald, and has been published in the Georgetown Journal of International Affairs, Political Science, and Australia's journal of demography People and Place. At Georgetown, he regularly serves as a moderator at the annual Marino Family workshop for incoming freshman and has served as a faculty reviewer for Fulbright, Marhsall, and Truman Scholarship candidates. Brown has held other teaching and research appointments at Southwestern University and the University of Texas at Austin where he was an Outstanding Graduate Instructor Finalist in 2003 and received his PhD in Government in 2004.

John Mullen

John Mullen is a Senior Advisor with McLarty Associates, focusing on trade and investment in the Asia Pacific, with a particular focus on Australia and New Zealand, following a career as an attorney, executive, and entrepreneur in international business and finance. Previous positions include Deputy General Counsel at USAID; President/Chief Executive Officer, Romanian-American Enterprise Fund; Managing Director, AMB International Finance, LLC; and President/CEO of the US-New Zealand Council. Mr. Mullen has received the Presidential Rank Meritorious Service Award; the Presidential Rank Distinguished Senior Executive Service Award and Officer of the New Zealand Order of Merit. He also does pro bono work for the American Council on Renewable Energy and the Central European and Eurasian Law Initiative Institute in Prague and teaches on Asia Pacific Integration and Trade as an adjunct professor at Georgetown University. Mr. Mullen completed M. Comp. L. at the Universityof Chicago Law School, a J.D. at Hardvard Law School, and a B.S. in Economics at University of Wisconsin-Madison. 


SouthbyDr. Richard Southby is Executive Dean and Distinguished Professor of Global Health in the Office of the Provost and Vice President for Health Affairs at The George Washington University Medical Center. He is also an Adjunct Professor of Preventive Medicine and Biometrics at the Uniformed Services University of the Health Sciences, Bethesda, Maryland.

Dean Southby joined The George Washington University faculty in 1979. Prior to his initial academic appointment at GW, Dean Southby served as Director of Health Services Research and Teaching in the School of Public Health and Tropical Medicine at The University of Sydney, Australia. Additionally, he was a member of the faculty of the Department of Social and Preventive Medicine at Monash University for ten years and served as a full time Commissioner on the Australian Hospitals and Health Services Commission. Dean Southby is a Fellow of the Australian College of Health Service Executives; a Fellow of the Royal Society of Medicine, UK; an Honorary Fellow of the American College of Legal Medicine; and an Honorary Member of the Faculty of Public Health, Royal Colleges of Physicians of the United Kingdom. He is presently an Honorary Professor in the Department of Epidemiology and Preventive Medicine, in the Faculty of Medicine, Nursing and Health Sciences at Monash University. Dean Southby received a B.Com. degree from The University of Melbourne, Australia, in 1965, an M.P.A. degree from Cornell University, New York, in 1967, and a Ph.D. degree from Monash University, Australia, in 1973.


ZellenBarry Scott Zellen is an author, editor, and journalist specializing in war and strategy, geopolitics, indigenous cultures, and the tribal dimensions of world politics. Much of Zellen's early research and writing covers the arctic and subarctic North America. In addition to the hundreds of articles he has written, Zellen has authored numerous books, with several new book projects under way. Since 2012, Zellen has shifted his research focus from the Arctic basin to the Pacific, with several long-term research projects underway. Two of his current projects are based in Sarawak, Borneo. One of Zellen's projects examines the period of White Rajah rule and its efforts to protect and preserve indigenous rights. Zellen is also conducting a project on the prolific literary output of the last Ranee of Sarawak, Sylvia Brett Brooke, whose fiction and nonfiction writings championed the causes of marginalized natives within Britain's Asian empire. Zellen is also working on a project exploring the diverse forms of sovereignty past and present in the Asia-Pacific region, including its many city- and island-states.

Zellan is an author of the following books: Breaking the Ice: From Land Claims to Tribal Sovereignty in the Arctic (Lexington Books, 2008); Arctic Doom, Arctic Boom: The Geopolitics of Climate Change in the Arctice (Praeger/ABC-Clio. 2009); On Thin Ice: The Inuit, the State and the Challenge of Arctic Sovereignty (Lexington Books, 2009); The Realist Tradition in International Relations: The Foundations of Western Order including volume 1, State of Hope: Order in the Age of Classical War; volume 2, State of Fear: Order in the Age of Limited War; volume 3, State of Awe: Order in the Age of Total War; and volume 4, State of Siege: Order in the Age of Insurgency (ABC-Clio/Praeger, 2011); State of Doom: Bernard Brodie, the Bomb, and the Birth of the Bipolar World (Continuum Books, 2011); The Art of War in an Asymmetric World: Strategy for the Post-Cold War World (Continuum Books, 2012); and State of Recovery: The Quest to Restore Homeland Security After 9/11 (Bloomsbury, January 2013). He is editor of The Fast-Changing Arctic: Rethinking Arctic Security for a Warming World (University of Calgary Press, 2013) and co-editor of Culture, Conflict, and Counterinsurgency (Stanford University Press, 2014).


ClaudDr. Claude Rakisits has had almost 20 years of experience in the Australian public sector, including the Departments of Defense, Foreign Affairs and Trade, and the Prime Minister and Cabinet, and the Office of National Assessments, Australia's principal analytical intellifence agency. He was also an advisor to a shadow federal minister for foreign affairs and to a deputy prime minister in Australia. From 2006-2009 he taught international affairs at tertiary institutions in Switzerland. Between 2010-2013 he was the academic adviser at the Centre for Strategic and Defense Studies, the senior staff college at the Australian Defence College in Canberra. Claude is an Honorary Associate Professor in Strategic Studies at Deakin University, Melbourne, Australia. He is also a Non-resident Senior Fellow at the Atlantic Council in Washington, D.C. His publications and media interviews can be viewed on his homepage: www.geopolitical-assessments.com

PhD. in Political Science
University of Queensland, Brisbane, 1982-86
Doctoral Thesis: National Integration in Pakistan: The Role of Religion, Ethnicity and the External Environment
B.A. (Hons) in International Relations
Simon Fraser Uninversity, Vancouver, Canada, 1976-79
Honor Thesis: ASEAN: A Case Study in Regional Integration


Saleem AliSaleem H. Ali is an environmental planner whose research and practice focus on ways of resolving ecological conflicts through technical and social mechanisms, as well as exploring novel ways of peace-building between corporations, governments and communities. He holds the Blue and Gold Distinguished Professorship in Energy and the Environment at the University of Delaware, USA (commencing September 2016). He is also a Senior Fellow at Columbia University’s Centre on Sustainable Investment. Professor Ali has also held the Chair in Sustainable Resources Development at the University of Queensland’s Sustainable Minerals Institute in Brisbane, Australia (where he retains professorial affiliation). He has previously been a professor of environmental studies at the University of Vermont’s Rubenstein School of Natural Resources where he was founding director of the Institute for Environmental Diplomacy and Security. His books include “Treasures of the Earth: Need, Greed and a Sustainable Future,” (Yale Univ. Press); “Environmental Diplomacy (with Lawrence Susskind, Oxford Univ. Press), “Mining, the Environment and Indigenous Development Conflicts” (Univ. of Arizona Press) and “Islam and Education: Conflict and Conformity in Pakistan’s Madrassas” (Oxford Univ. Press). He has also authored over a hundred other peer-reviewed publications and been the editor of acclaimed anthologies including “Peace Parks: Conservation and Conflict Resolution” (MIT Press) and “Diplomacy on Ice: Energy and the Environment in the Arctic and Antarctic” (with R. Pincus, Yale Univ. Press).

His corporate and government experience includes employment in General Electric’s Technical Leadership Program; a Baker Foundation Fellowship at Harvard Business School and a Research Internship at the UK House of Commons.  Professor Ali was chosen as a Young Global Leader by the World Economic Forum in 2011 and received an Emerging Explorer award from the National Geographic Society in 2010. He is a member of the IUCN World Commission on Protected Areas and serves on the board of governors of the non-profit environmental organization LEAD-Pakistan. He is also a series co-editor for the University of Chicago Press on Environmental Science, Law and Policy. Professor Ali received his doctorate in Environmental Planning from MIT, a Master's degree in Environmental Studies from Yale University and Bachelor's degree in Chemistry from Tufts University (summa cum laude). He can be followed on Twitter @saleem_ali

Affiliated Faculty
Keren Hammerschlag

Keren HammerschlagKeren Rosa Hammerschlag is the Assistant Director of the Center for Jewish Civilization at Georgetown University. She is also Assistant Teaching Professor and Researcher in Art History and Women's and Gender Studies in addition to being a Faculty Affiliate in Residence in the Kennedy Institute of Ethics. She teaches courses on Art and Medicine, British Art, Colonialism and the Art of Race, Jews in Nineteenth-Century Art, and Gender and the Body in Victorian Art.   

Before coming to Georgetown she was a Wellcome Postdoctoral Research Fellow in the Centre for the Humanities and Health at King's College London. She completed her PhD at the Courtauld Institute of Art in 2010.   

She is the author of ‘Frederic Leighton: Death, Mortality, Resurrection’ (Ashgate, 2015), along with various articles on Victorian neoclassicism and medical portraiture. Her current book project, ‘The Colour of Empire,’ uses Victorian colonial painting to elucidate the complex nature of race relations in Great Britain and the former British Empire.

Visiting Scholars
Stephan Fruehling

StephanDr. Stephan Frühling is the Associate Dean (Education) of the College of Asia and the Pacific, and Associate Professor in the Strategic and Defence Studies Centre of the Coral Bell School of Asia-Pacific Affairs. His research interests include Australian defence policy, nuclear weapons, and NATO. From September 2017 to January 2018, he will be working at Georgetown University as the 2017 Fulbright Professional Scholar in Australia-America Alliance Studies. From August to December 2015, he was the 'Partner across the globe' research fellow in the Research Division of the NATO Defense College in Rome. Between 2014-2015, Stephan was a member of the Australian Government’s external panel of experts on  the 2016 Defence White Paper (http://www.defence.gov.au/Whitepaper/default.asp). His previous positions include Deputy Director (Education) of the Bell School (January-July 2016), inaugural Director of Studies (October 2011-June 2012) and Deputy Director of Studies (July-December 2013) of the ANU Master in Military Studies program at the Australian Defence Force’s Australian Command and Staff College, and Managing Editor of the journal Security Challenges (2006 to 2014).