Thomas Zweifel

Thomas D. Zweifel, Ph.D. is the CEO of Swiss Consulting Group. Since 1984, living on four continents, he has helped senior executives in numerous Fortune 500 companies, and governments, the UN and the military, develop leadership and build high-performance teams in the action of meeting strategic and/or breakthrough objectives. Strategies based on Dr. Zweifel's books are used by 30+ Fortune 500 companies, the U.S. State Department, the U.S. Military Academy at West Point, and government agencies in North America, Europe and Asia. Since 2000, Dr. Zweifel has taught leadership at Columbia University, St. Gallen University, and business schools in Australia, Israel, and Switzerland to prepare them for executive leadership positions in all sectors.
Dr. Zweifel often appears in the media, including ABC News, Bloomberg TV, and CNN. A speaker for International Speakers Bureau, Vistage International, Brooks International Speakers Bureau, and European Speakers Academy, his interdisciplinary and action-packed global leadership keynotes and workshops are sought after by government and business leaders alike. Dr. Zweifel is the author of six books on co-leadership, including ¨Communicate or Die: Getting Results Through Speaking and Listening¨ (SelectBooks, 2003); ¨Culture Clash: Managing the Global High-Performance Team¨ (SelectBooks, 2003); ¨Leadership in 100 Days: A Systematic Self-Coaching Workbook¨ (iHorizon, 2010); and ¨The Rabbi and the CEO: The Ten Commandments for 21st Century Leaders¨ (SelectBooks, 2008; with Aaron L. Raskin), a 2008 National Jewish Book Award finalist. Born in Paris, Dr. Zweifel was educated in Switzerland, Germany and the United States, and is fluent in English, German, French, and Italian. He holds a master in international affairs from Columbia University and a Ph.D. in International Political Economy from New York University. In 1996 he realized his dream of breaking three hours in the New York City Marathon, and in 1997 was recognized as the fastest CEO in the New York City Marathon. He is based in New York and Zurich, where he lives with his wife and two daughters.




tdz [at] swissconsultinggroup [dot] com


Last Education

Ph.D., New York University (International Political Economy)


English, German, French, Italian


Swiss, American


Switcher SA
SeedStars World
Ergoma SA
Amazee Labs
Atizo AG
DeLafee International
Venturelab c/o IFJ Institut für Jungunternehmen AG
Swisscom Switzerland Ltd.
Perpetual Technology Partners
TR Invest AG and TR Management GmbH
HES-SO / HEG Fribourg
Westiform Group
Snaphaven Inc.
HEC Paris