International Solar Energy Society
International Headquarters - Villa Tannheim
Tel: + 49 761 45906 45
Fax: + 49 761 45906 99
The International Solar Energy Society e. V. is registered at the District Council of Freiburg, registration No. VR 2739.
The representatives of the non-profit organisation are:
President: Prof. Klaus Vajen
Vice President: Prof. Sigrid Jannsen
Treasurer: Mr. Jan Michiel (Chiel) Boonstra
VAT Identification No. DE 177 197 424 (international use)
Taxation No. 06470/41456 (for use in Germany only)
Contact persons for the ISES e. V. International Headquarters are:
Executive Secretary: Jennifer McIntosh
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