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"When people speak--and listen--effectively, they get better information, better strategic intelligence, and better results. Absolutely essential for you and your people if you want tight championship teams."
--Steve Baird,
Senior Management Advisor,
UBS
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"I just wish Culture Clash had been available at the start of my personal globalization, it would have saved me a lot of time and pain. Essential reading for any international manager."
--Dr. Martin Cross,
CEO,
Novartis-Australia
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“One of the best books
on leadership.”
-- Dr. Frank Waltmann,
Head of Executive Learning,
Novartis International
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"Ambitious and thought-provoking... While some scholars and practitioners will question (Zweifel's) findings, they best not ignore them, for this is politically powerful stuff."
--Dr. Edward Luck,
Special Advisor to the UN Secretary-General
"Thomas Zweifel's pathbreaking book delivers a compelling empirical analysis of transparency and accountability in the European Union. A must-read."
--Andrew Moravcsik,
Princeton University and Newsweek
Books
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"With our logo on the cover, the books and their cutting-edge knowledge build our competitive brand–-a great return on investment."
--Eric Decosterd,
head, MBA Program,
Haute Ecole de Gestion;
former member executive committee,
Novartis Consumer Health

"I wish I had had Zweifel’s tools 35 years ago when I was starting out"
--Werner Brandmayr,
President,
ConocoPhillips-Europe
Thomas D. Zweifel clients'
  • Cr√©dit Suisse
  • JPMorgan
  • Colombia University
  • Prud
  • West Point
  • General Electric
  • SERN
  • Novartis
  • Department of State of USA
  • United Nation Development Program
  • PJB
  • American Express
  • UBS
  • HSG St-Gallen