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	Sjaak van Vliet
Consultant Profile: Jacobus (Sjaak) van Vliet (M.Sc. Environmental Management - Universities of Wageningen & Leiden) Sjaak van Vliet is Senior Executive Consultant with ENS International. The ENS Negotiating and Influencing Model provides a powerful, holistic approach to the complex arts of negotiating and influencing. The model has been developed and refined through hands-on application in 57 countries over 30 years (more information at www.negotiate.org). A skilled negotiator, Sjaak offers advice on planning negotiation strategies and negotiation conduct. He also prepares negotiation teams and facilitates conflict resolution projects. He has gathered training and negotiating consulting experience, extending over both the public and private sectors in Europe, Africa and Asia. Born in Holland in 1956, Sjaak began working life as a scientist with the GTZ (German Technical Assistance Agency) in West Africa in 1980. He then changed course in 1982 when he took on the role of Intercultural Management Consultant with an international non-governmental organization based in The Hague. As a Business Development Manager for Asia & the Pacific he was successful in expanding growth and tripling revenue from the region in 3 years time. During this period he worked intensively with senior public service managers in Australia, India, Indonesia, Malaysia and Thailand. Sjaak moved to Berlin in 1990 where he took up the position of Managing Director of a limited liability company providing human resources consultancy services concentrating on Eastern Europe. He joined ENS in 1996 where he has been responsible for building up its activities in Germany where ENS now enjoys wide coverage. Sjaak is Visiting Lecturer for Negotiation Skills with the University of Potsdam and a regular speaker on the subject of "negotiating and influencing" at conferences. He works in Dutch, English and German. Among his clients are Amcor, Bayer Schering Pharma, Boehringer Ingelheim, DSM, EADS, Eli Lilly, GlaxoSmithKline, Grohe Water Technology, Heinrich-Böll-Foundation, Holcim, Imperial Tobacco, Nycomed, Océ, Rolls Royce, Royal BAM, Siemens, Sun Microsystems, Tchibo, Tyco and T-Mobile International.