Dr. J. Wittwer is an accomplished international executive manager with a proven track record in international business. He lived and worked in 7 countries on three continents and travelled to over 70 nations.
He lectured at following institutes:
Virginia Commonwealth University (VCU) in Richmond VA, USA
University of St. Gallen, HBM Unternehmerschule, in St. Gallen, Switzerland
University of Applied Science ZHAW, Faculty of Risk & Insurance, Zurich, Switzerland
IIHEM International Institute for Higher Education, Rabat, Morocco
University of Applied Science, Faculty of Tourism, in Lucerne, Switzerland
University of Applied Science, Business Institute, in Lucerne, Switzerland
University of Applied Science Kalaidos, in Zurich-Oerlikon, Switzerland
University of Barcelona, Faculty of Tourism, in Barelcona, Spain
Allianz Management Institute ESMT, Munich, Germany
and held numerous presentations among others in Düsseldorf, Frankfurt, Lisbon, Madrid, Barcelona, Fort Myers, Richmond, Teheran, Zürich, Bern, Lugano.