Christina Ripken (Dipl. Biol. M.Sc.) Conference Management
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Phone: +49 (0) 228 266 3405 (home office)
Phone: +49 (0) 176 2011 3254 (mobile)
Phone: +49 (0) 5542 607 32 (direct)
Skype: christina.ripken
Training Christina Ripken studied biology at the University of Bonn with a specialization in botany and plant nutrition. She additionally holds a Master of Science degree in "Agricultural Science and Resource Management in the Tropics and Subtropics” from the University of Bonn and did her research on resilience and vulnerability of wetland eco systems.
Eric Tielkes

Conference Management and JARTS Editor-in-Chief

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Phone: +49 (0) 5542 500 753

Training Eric Tielkes studied tropical agriculture at the University of Wageningen (The Netherlands; 1982-1988). He specialised in crop-livestock interactions in the tropics with an emphasis on extension science and holds a doctoral degree in agricultural sciences from the University of Hohenheim (1995).
Career Eric Tielkes was coordinator of the EU funded research project CEE-ST2 "Defoliation du petit mil” in Mali (1990-1993), agro-pastoralist in the development project “Développement rural de Tahoua/Niger (GTZ – KfW, DED)” (1995-1998), coordinator for rural development at the German Development Service (DED) in Niger (1998-2001), scientist at the Centre for Agriculture in the Tropics and Subtropics at the University of Hohenheim (2001-2006). Since August 2006, he is working as househusband and free consultant.
Since 2008 he is part-time contracted by DITSL to organise the Tropentag conference, the annual “International Conference on Research for Development in Agriculture and Forestry, Food and Natural Resource Management” – Tropentag“. He supports the local organisation committees and is responsible for the internet-based submission and acceptance procedure for papers and is editor of the book-of abstracts.
Experience abroad Eric Tielkes has gained long-term research and development work experience in Mali (~ 3 years) and Niger (~ 6 years) and short-term experience in Chad and Oman.
Research and Development work

His main interest is on the interactions between livestock and crop production and especially on the communal management of pastures and other feed resources. On this issue, he organised two regional workshops (2000 and 2004) in Niamey/Niger.

 


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Phone: +49 (0) 5542 607 20

List of selected publications

Status

1975–2003: Professor of Agricultural Economics, Faculty of Ecological Agricultural Sciences, University of Kassel, Witzenhausen.

1987–2005: Managing Director German Institute for Tropical and Subtropical Agriculture (DITSL) GmbH, Witzenhausen.

Professional Training

1956–1960: Apprenticeship training (2 years) for qualified farm labourer in Germany; Practical farm work in Francophone Switzerland (9 months); France (3 months) and England (3 months); Agricultural College Osnabrück, ( Staatlich Geprüfter Landwirt).

1961–1964: Graduate studies in agriculture, University of Göttingen, (Dipl.-Landwirt).

1964–1967: Research Fellow, “East Africa Programme”, Ifo-Institute for Economic Research, Munich; Farming systems research in Tanzania (15 months).

1966–1968: Post-Graduate studies and doctoral degree, University of Göttingen.

Professional Experience

1968–70: Agricultural Economist at the Agricultural Training and Research Institute (KATRIN), Ifakara/Tanzania: Planning and conduct of extension programmes and training courses for extension agents; Acting Project Manager.

1970–74: Senior Lecturer for Rural Development and Extension Methodology, Department of Agricultural Economics, University of Nairobi/Kenya.

1974/75: Chief Agronomist, Agrar- und Hydrotechnik Consulting GmbH, Essen; Planning of World Bank Projects for Integrated Rural Development in Liberia.

1975–2003: Faculty of Ecological Agricultural Sciences, University of Kassel: Organization and conduct of international seminars on different aspects of Rural Development in African and Asian countries (e.g. Ghana, Egypt, Indonesia).

1980/81, 1993, 1998/99: Dean of Faculty of Ecological Agricultural Sciences.

1987–2005: Managing Director DITSL, organization and conduct of training programmes for Third World professionals; Training of personnel for Dual Systems of Agricultural Education in Morocco and Indonesia.

International Consultancy

(1976): Evaluation of the "Promotion of Settlement Schemes in North Eastern Thailand"
Project and Planning of an "Extension Program for Pakchong District / Thailand" (for GTZ).

(1977): Pre-Feasibility Study for the Planning of a Project of “Integrated Rural Development” in Nimba County/Liberia (for Agrar- und Hydrotechnik, Essen).

(1978): Human Resources Survey for "Nuba Mountains Region Masterplan for Rural Development", Sudan (for Agrar- und Hydrotechnik, Essen).

(1979): Evaluation of the Project: "Consultancy to the Ministry of Agriculture Training Institute (MATI) in Nyegezi / Tanzania" (for BMZ/GTZ).

(1980): Project Identification Mission for the promotion of animal production in the Peoples' Republic of Benin (for GTZ).

(1980): Evaluation of the Project “Agricultural Technical Training Centre”, Raqqa / Syria (for BMZ / GTZ).

(1982): Cross-Sector Analysis, “Livestock Production and Veterinary Projects” in Upper Volta, Ivory Coast, Togo, Cameroon, Burundi and Kenya (for BMZ).

(1983) Evaluation of the "Soil Erosion Control and Agroforestry Project" and the "Integrated Livestock Development Project" in the Western Usambaras, Tanzania (for GTZ).

(1984): Feasibility Study for the planning of the "Rural Development Project, Chakkarat District", North Eastern Thailand (for GTZ).

(1984/85): Design of an extension system for the Pilot Phase of the Zarga River Basin Project, Jordan (for Agrar- und Hydrotechnik, Essen).

(1987): Feasibility Study for a Seed Multiplication Project in Madagascar (for ACE, Einbeck)

(1989): Evaluation of the Project "Department of Agricultural Engineering at the Agricultural University Hassan II, Rabat, Morocco (for GTZ).

(1991): Evaluation of the Project “Agricultural Technical Training Centre”, Raqqa / Syria (for BMZ / GTZ).

(1992): Evaluation of the Project "Conservation Tillage for Sustainable Agriculture" Zimbabwe (for GTZ).

(2001): Evaluation of the Programme: „Management von Land-, Wald- und Wasserressourcen in Laos, Kambodscha und Vietnam” (for DSE/ZEL).

 

Nikolas Zöller Programm Manager

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Phone: +49 (0) 5542 607 32
Training Nikolas Zöller studierte tropischen und subtropischen Landwirtschaft (BSc.), sowie Ökologische Umweltsicherung (MSc.) an der Universität Kassel.
Career and experience abroad Herr Zöller war von 1988 - 1994 Entwicklungshelfer des Deutschen Entwicklungsdienstes bei einer Kleinbauerngewerkschaft in Brasilien. Von 1994 - 1995 landwirtschaftlicher Berater der Präfektur von Itinga Minas Gerais (Brasilien).
Von 1997 - 2002 arbeitete er als Projektleiter beim Ingenieurbüro Gottschall in den Bereichen F & E-Studien im Kompostierungs- und Klärschlammbereich unter anderem für die Deutsche Bundesstiftung Umwelt; Ministerium für Umwelt und Naturschutz, Landwirtschaft und Verbraucherschutz NRW und das Umweltbundesamt. Von 2002 - 2004 war er Projektleiter bei der Deutschen Welthungerhilfe (DWHH) in Mosambik des Rehabilitationsprojektes: "Wiederansiedlung von Flutopfern in der Region Chinde", (Nothilfeprojekt, Finanzierung BMZ, EU, WFP, DWHH)

Seit 2005 ist Herr Zöller beim Deutschen Institut für Tropische und Subtropische Landwirtschaft gGmbH (DITSL) für die Vorbereitung, Betreuung und Organisation von mehrwöchigen Trainingsprogrammen mit dem Themenschwerpunkt: Qualitätsmanagement, Zertifizierung und Vermarktung von ökologisch erzeugten Produkten sowie Akkreditierung von Firmen, sowie der Kompostierung und landwirtschaftlichen Produktion tätig.