GNF - Board of Directors

The Board of Directors


The board of directors of the Global Nature Fund is made up of between three and seven people as stated in the charter. The committee is voted by the board of directors of the Environmental Action Germany (Deutsche Umwelthilfe e.V.) for a period of four years. The board of directors manages the foundation according to the requirements set out in the charter and is liable to a precise and economical handling of the foundation assets and other funds.


The members of the GNF board of directors are:

 The Members of the GNF Board
 Marion Hammerl

Marion Hammerl


Orsingen, Germany

Marion Hammerl works full time in the GNF partner environmental association the Lake Constance Foundation (Bodensee-Stiftung).
 Prof. Dr. Manfred Niekisch

Prof. Dr. Manfred Niekisch

Vice President

Frankfurt, Germany


Manfred Niekisch was Director of the Zoo “Zoologischer Garten” in Frankfurt.

 Jörg Dürr-Pucher

Jörg Dürr-Pucher

Radolfzell, Germany

Jörg Dürr-Pucher works in the field of renewable energies as the executive director of CLEAN ENERGY and is engaged in nature and the environment for decades now.
 Kat Hartwig

Kat Hartwig

Brisco, Canada


Kat Hartwig is Living Lakes Canada Director of the environmental association Wildsight.

 Barbara Metz

Barbara Metz

Berlin, Germany


Barbara Metz is Deputy Federal Executive Director of the environmental association Environmental Action Germany (Deutsche Umwelthilfe).

 Dr. Andrew Venter

Dr. Andrew Venter

KwaZulu-Natal, South Africa


Andrew Venter is the Manager of the Wildlands Conservation Trust in South Africa.

 Sebastian Winkler

Sebastian Winkler

Brussels, Belgium

Sebastian Winkler is currently an independent consultant working part-time as Director for Europe for the Global Footprint Network and he also advises the potentially largest gold mine in Europe on sustainability matters. Besides that he is currently a Board Member of Internews Europe and of the European Business and Biodiversity Campaign.

The board of directors‘s decades of experience in international environmental protection and nature conservation, as well as in other environmental issues, is of great assistance to the work of the Global Nature Fund.

In Memorial of former Members


Prof. Dr. Gerhard Thielcke

(† 22 July 2007)

Honorary President

Radolfzell, Germany

Prof. Dr. Thielcke had made a name for himself through his professional competence in environmental protection and nature conservation. 

Prof. Dr. Aitken Clark

(† 9 Aprl 2010)


Cambridge, Great Britain

Prof. Dr. Clark had made a name for himself through his professional competence in environmental protection and nature conservation.