Dr. Tuminez brings to the school nearly two decades of experience in public policy analysis, philanthropy, research and project management, and private equity. Prior to joining LKY School, Dr. Tuminez was Senior Research Associate of the Philippine Facilitation Project of the United States Institute of Peace. She was also a Senior Fellow of the Southeast Asian Research Centre of the City University of Hong Kong.

Dr. Tuminez has been a Senior Advisor, Strategy and Programs, for the Salzburg Global Seminar, a U.S. educational institution based in Salzburg, Austria. She is also the former Director of Research for alternative investments at AIG (American International Group) Global Investment Corp. In 1999-2000, she was an Executive Associate at AIG's Credit Risk department. In the early 1990's, she ran the Moscow office of the Harvard Project on Strengthening Democratic Institutions, where she worked directly with ranking reformist leaders in the former Soviet Union, including former president Mikhail Gorbachev and foreign minister Eduard Shevardnadze. From 1992-1998, she was a programme officer at the Carnegie Corporation of New York, responsible for grant-making in conflict prevention, the non-proliferation of weapons of mass destruction, and democratization. She also worked with the Carnegie Commission on Preventing Deadly Conflict, chaired by former U.S. Secretary of State Cyrus Vance and Dr. David Hamburg. In 1998-1999, Dr. Tuminez was a consultant to The World Bank and an institutional sales/ research professional at Brunswick Warburg, Inc., focusing on the Russian equities market.

Dr. Tuminez is also a former Adjunct Fellow and a member of the Council on Foreign Relations. Her publications include Russian Nationalism Since 1856: Ideology and the Making of Foreign Policy (Rowman and Littlefield, 2000), journal articles, and opinion pieces. She is formerly a U.S. Institute of Peace Scholar, a Freeman Fellow of the Salzburg Seminar, a fellow at the Kennedy School of Government at Harvard, a Distinguished Alumna of Brigham Young University, and the recipient of fellowships from the Social Science Research Council and the MacArthur Foundation.