Heinz Sielmann Stiftung
Gut Herbigshagen
Sielmann-Weg 1
DE-37115 Duderstadt

Phone: +49 (0)5527 914-0
Fax: +49 (0)5527 914-100
E-Mail: info(at)

Michael Beier (CEO), Carolin Ruh

Supervisory authority
Amt für regionale Landesentwicklung Braunschweig

Tax number

Donations account 
Sparkasse Duderstadt
IBAN: DE62 2605 1260 0000 0003 23


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