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Member of the Board of the Bertelsmann Foundation (Gütersloh)
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Editor of the magazine "Internationale Politik"
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Member of the Chair at the German Society for Foreign Policy
(Deutsche Gesellschaft für Auswärtige Politik, DGAP),
Berlin
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Member of the Board of the Institute for European Politics
(IEP), Bonn
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Editorship of the trade journal "Integration"
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Board of Trustees at the Brandeis University (Boston, USA)
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Advisory Board for European Studies at the Chicago Council
on Foreign Relations
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Advisory Board at the Europe-Center of RAND (Santa Monica)
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International Research Council of the "Center for Strategic
and International Studies" (Washington)
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Council of the "Centers for German and European Studies"
at the Georgetown University (Washington)
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European Academy of Sciences (Salzburg, Austria)
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Associated Member of the "Club of Rome"
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Honorary Board at the Aspen Institute (Berlin; Aspen, Colorado,
USA)
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Member of the Chair at the "Working Group on European
Integration"(AEI), Bonn
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Member of the Advisory Board of the "Zentrums für
interdisziplinäre Forschung (ZiF)" at the University
of Bielefeld
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Member of the Advisory Board of the Graduate School of International
Studies at the Yonspi University, Seoul, Korea
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Member of the Managing Board of the "Gesellschaft für
Auslandskunde e.V.", Munich
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Member of the Curatorium at the ifo Institute for Economic
Research, Munich
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Member of the Advisory Board at the Bulgarian Insitute for
Economic Policy, Sofia
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Member of the International Advisory Board of the Beaver College
(Glenside, USA)
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Member of the Curatorium of the "Zentrum für interdisziplinare
Forschung of the University Bielefeld (ZiF)"
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Member of the Curatorium of the Goethe-Gesellschaft in WeimarPublications
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Editor of the "Yearbook on European Integration"
(since 1980 together with Wolfgang Wessels)
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Editor of "Europe from A-Z - Referencebook of European
integration" (together with Wolfgang Wessels)
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Editor of the series"Münchner Beiträge zur europäischen
Einigung"
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Editor of the series "Strategies for Europe", publishing
house of the Bertelsmann Foundation (since 1987)
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Editor of the publication series of the Research Group Youth
and Europe (since 1992)
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Editor of the publication series of the Research Group on Germany
(since 1994)