from 01/2012
| Chairman of the executive board of Accreditation Agency for Degree Programmes in Engineering, Informatics/Computer Science, the Natural Sciences and Mathematics (ASIIN)
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since 11/2011
| Member of the Presidents Advisory Council (PAC) at Korea Advanced Institute of Science and Technology (KAIST)
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01/2009 to 12/2011
| Deputy Chairman of the executive board of Accreditation Agency for Degree Programmes in Engineering, Informatics/Computer Science, the Natural Sciences and Mathematics (ASIIN)
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| Member of Technical Committee on Plant Safety at Federal Environmental Ministry (BMU)
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| Board member of section "Process Safety" at Dechema
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| Certified expert according to § 29a of the federal law on immission protection (Bundes-Immissionsschutzgesetzes - BImSchG)
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| Member of American Institue of Chemical Engineers
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| Member of New York Academy of Science
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10/2007 to 09/2009
| President of "European Society for Engineering Education" (SEFI – Société Européenne pour la Formation des Ingénieurs)
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since 2007
| Chairman of Akkreditierungsverbund für Ingenieurstudiengänge e.V.
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