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 Sustainable Development & Development Cooperation.

Phone: +49 7732 9995 80

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, works as Programme Manager for the Global Nature Fund.

Phone: +49 7732 9995 83

E-mail: geertz@globalnature.org

Ralph Dejas, Geograph, works as a Programme Manager in the unit of sustainable development & development cooperation for the Global Nature Fund. Ralph Dejas coordinates the German initiative "Biodiversity in the Food Sector" in the unit business & biodiversity.

Phone: +49 179 998 06 12

E-mail: dejas@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

Manuela Uhde works as Head of Marketing, Finances and Administration for the Global Nature Fund.

Phone: +49 7732 9995 85

E-mail: uhde@globalnature.org

Claudia Maier, Assistant Finances and Accounting, and works part-time for the Global Nature Fund.

Phone: +49 7732 9995 82

E-mail: maier@globalnature.org

Nadine Hetzel works as Assistant Finances and Accounting for the Global Nature Fund.

Phone: +49 7732 9995 81

E-Mail: hetzel@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

Alena Hayer, geoecologist (B.Sc.) and geographer (M.Sc. Geography of Environmental Risks and Human Security), works as Programme Manager in the Unit Living Lakes & Water as well as in the Unit Nature Conservation for the Global Nature Fund.

Phone: +49 7732 9995 84

E-mail: hayer@globalnature.org

Laura Böttges has a Master's degree in Biodiversity, Ecology and Evolution and works as a trainee 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

Dr Viktor Konitzer, Germanist, works as Communications Manager at Global Nature Fund.

Phone: +49 7732 9995 874

E-mail: konitzer@globalnature.org

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

Rebecca Mahler an Industrial Engineer with a Focus on Marketing and Sales and works as Communications and Marketing Manager at Global Nature Fund.

Phone: +49 7732 9995 871

E-mail: mahler@globalnature.org

GNF – Office in Bonn, Germany

Stefan Hörmann, Administration Scientist, and Deputy 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

Meike Rohkemper, Landscape Ecologist, works as Programme Manager for the Global Nature Fund.

Phone: +49 176 72993598

E-mail: rohkemper@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

Lea Carnuth is a student in the Master of Plural Economics and works as a student trainee in the field of Business & Biodiversity for the Global Nature Fund.

E-mail: carnuth@globalnature.org

Unit Sustainable Development & Development Cooperation

Laura Maeso Velasco is an environmental scientist with a Master in Rural Development. She works as a project manager in the field of sustainable development and development cooperation as well as nature conservation for the GNF.

Phone: +49 228 184 86 94 13

E-mail: maeso@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