The Team

Headquarters in Radolfzell at Lake Constance, Germany

Udo Gattenlöhner, Agricultural Scientist, is the Executive Director of the Global Nature Fund. He leads the unit Communications & Marketing.

Phone: +49 7732 9995 870

E-mail: gattenloehner@globalnature.org

Jasmin Rink holds a degree in administration and is the executive assistant, as well as the human resources officer for the Global Nature Fund.

Phone: +49 7732 9995 83

E-mail: rink@globalnature.org

Unit Sustainable Development & Development Cooperation

Thies Geertz, Biologist, is head of the unit Sustainable Development & Development Cooperation.

Phone: +49 7732 9995 83

E-mail: geertz@globalnature.org

Katharina Gehrig is a geographer with a master's degree in peace and conflict studies and works as a programme manager for the Global Nature Fund.

Phone: +49 7732 9995 83

E-mail: gehrig@globalnature.org

Finances and Administration

Daniel Heinrich is an economist (Master of Science in Information-Oriented Business Administration) and works as Head of Finance and Administration for the Global Nature Fund.

Phone: +49 7732 9995 81
E-mail: heinrich@globalnature.org

Manuela Köstner works as Assistant Finances and Accounting for the Global Nature Fund.

Phone: +49 7732 9995 878

E-Mail: koestner@globalnature.org

Corinna de Beyer works as Assistant Finances and Accounting for the Global Nature Fund.

Phone: +49 7732 9995 82

E-Mail: debeyer@globalnature.org

Unit Nature Conservation and Unit Living Lakes & Water

Dr. Thomas Schaefer, Biologist and CR Manager, works as head of the unit Nature Conservation and for the Unit Living Lakes & Water for the Global Nature Fund.

Phone: +49 7732 9995 89

E-mail: schaefer@globalnature.org

David Marchetti, works as Programme Manager for the Global Nature Fund.

Phone: +49 7732 9995 84

E-mail: marchetti@globalnature.org

Laura Böttges has a Master's degree in Biodiversity, Ecology and Evolution and works as a programme manager in Living Lakes and Nature Conservation for the Global Nature Fund.

Phone: +49 7732 9995 84

E-Mail: boettges@globalnature.org

Communication, Marketing & Public Relations

Eva Schellenbeck holds a Master Degree in Journalism/Communications and works as Communications and Marketing Manager at Global Nature Fund.

Phone: +49 176 824 264 03 

E-mail: schellenbeck@globalnature.org

GNF – Office in Bonn, Germany

Stefan Hörmann, Administration Scientist, and Executive Director of the Global Nature Fund. He is Head of Business and Biodiversity and he leads the GNF office in Bonn. 

Phone: +49 228 184 86 94 11

Mobile: +49 160 532 10 52

E-mail: hoermann@globalnature.org

Unit Business & Biodiverstity

Tobias Ludes, Bachelor of Science (Sustainable Agriculture), works as Programme Manager for the Global Nature Fund.

Phone: +49 228 184 86 94 15

E-mail: ludes@globalnature.org

Andrea Reuter, Business Economist, works as Programme Manager for the Global Nature Fund.

Phone: +49 228 184 86 94 14

E-mail: reuter@globalnature.org

Steffen Kemper, Agricultural Scientist (M.Sc.), works as Programme Manager for the Global Nature Fund.

Phone: +49 228 184 86 94 16

E-mail: kemper@globalnature.org

Oliver Peters is an agricultural scientist and holds a degree in Environmental Protection and Agricultural Food Production (M.Sc). He works in the field of business and biodiversity as a project manager for the Global Nature Fund.

Phone: +49 228 184 86 94 13

E-mail: peters@globalnature.org

Jenja Kronenbitter holds a degree in biology with a focus on agroecology and nature-oriented community greening and works as a project manager for the Global Nature Fund.

Phone: +49 157 33085788

E-mail: kronenbitter@globalnature.org

Lea Strub, economist and ethnologist, holds a master's degree in development economics. She works as a project manager in the area of sustainable supply chains for the Global Nature Fund.

Phone: +49 228 1848694 12

E-mail: strub@globalnature.org

Louisa Lösing is a political scientist with degrees in European Studies and Global Environmental Governance. She works as a project manager in the field of Business & Biodiversity for the Global Nature Fund.

Phone: +49 228 184 86 94 15

E-mail: loesing@globalnature.org

Bettina Faust holds a degree in business administration and works for the Global Nature Fund as a project manager in the area of "Business & Biodiversity" in the projects "Sustainable Textile Purchasing" and "Fair Wear Works".

Phone: +49 172 9765732

E-Mail: b.faust@gobalnature.org

Stefanie Donovan is an agricultural scientist (B.Sc.) and holds a degree in Ecological Economics (M.Sc.). She works as a project manager in the field of Business & Biodiversity for the Global Nature Fund.

Phone: +49 30 2400 86 7349

E-mail: donovan@globalnature.org

Communication, Marketing & Public Relations

Kristin Mehler holds a Master Degree in Asian Studies and Linguistics and works as Communications and Marketing Manager at Global Nature Fund.

E-mail: mehler@globalnature.org

GNF – Office in Berlin, Germany

Unit Nature Conservation

Katja Weickmann, Master of Arts (European Studies), works as Programme Manager for the Global Nature Fund.  

Phone: +49 30 2400 867 341

E-mail: weickmann@globalnature.org