| 1995-2015 | Founder; Leader, wind energy consultant anemos-jacob |
| 2009-2013 | Adjunct Professor, Regional Climate Change, University of Bergen |
| 2013-2014 | Deputy Director, Climate Service Center, Hamburg |
| 2014-2015 | Acting Director, Climate Service Center 2.0, Hamburg |
| since 2015 | Director of Climate Service Center Germany, Hamburg |
| since 2016 | Visiting professor, Faculty of Sustainability, Leuphana Universität, Lüneburg |
| 1983-1992 | Scientist, Department of Scientific and Industrial Research |
| 1992-1998 | Scientist Postharvest, HortResearch |
| 1998-2000 | Portfolio Manager Kiwifruit Quality, HortResearch |
| 2000-2002 | Portfolio Manager Kiwifruit Science, HortResearch |
| 2002-2004 | Scientist Genomics, HortResearch |
| 2004-2006 | Science Leader Industrial Biotechnology, HortResearch |
| 2006-2008 | Group Manager Biomaterials Research, Scion |
| 2008-2011 | Group Manager Bioproduct Development, Scion |
| 2011-2018 | General Manager Manufacturing and Bioproducts, Scion |
| since 2018 | Chief Innovation and Science Officer, Scion |
| 1983-1994 | Officer, Torrent and Avalanche Control, Federal Ministry of Agriculture, Forestry, Environment and Water Management, Vienna |
| 1994-2002 | Head, Regional Headquarter for Burgenland and Southern Lower Austria, Austrian Service for Torrent and Avalanche Control |
| 2002-2016 | Head, Directorate of Torrent and Avalanche Control, Federal Ministry of Agriculture, Forestry, Environment and Water Management, Vienna |
| 2016-2018 | Director General for Water Management, Federal Ministry of Sustainability and Tourism, Vienna |
| 2018-2019 | Director General for Forestry and Sustainability, Federal Ministry of Sustainability and Tourism, Vienna |
| 2019-2020 | Austrian Federal Minister for Sustainability and Tourism, Federal Ministry of Sustainability and Tourism, Vienna |
| 1975 | Dipl. Ing. Agriculture, University of Bonn |
| 1975-1980 | Research Associate, Faculty of Agriculture, Institute of Agricultural Economics, University of Göttingen |
| 1978 | Doctoral Degree, Agricultural Economics, University of Göttingen |
| 1979-1980 | Visiting Fellow, Institute of National Planning, Cairo |
| 1981-1982 | Research Fellow, IFPRI - International Food Policy Research Institute, Washington DC |
| 1982-1983 | Assistant Professor, Institute of Agricultural Economics, University of Göttingen, Germany |
| 1984-1990 | Research Fellow, IFPRI - International Food Policy Research Institute, Washington DC |
| 1990-1993 | Director, Food Consumption and Nutrition Division, IFPRI - International Food Policy Research Institute, Washington DC |
| 1993-1997 | Professor, Food Economics, Food Policy, and World Food Issues; and Director, Institute for Food Economics and Consumer Analyses, Faculty of Agriculture, University of Kiel |
| 1997-2002 | Director; Chair of Department and Professor, Economics and Technical Change, ZEF - Center for Development Research, University of Bonn |
| 2002-2009 | Director General, IFPRI - International Food Policy Research Institute, Washington DC |
| since 2009 | Director; Chair of Department and Professor, Economics and Technical Change, ZEF - Center for Development Research, University of Bonn |
| 1982-1988 | Studies Biology, University Bayreuth |
| 1988-1991 | Ph.D., University Bayreuth |
| 1991-2001 | Group Leader, Institute for Botany, University Heidelberg |
| 2001 | Habilitation, Botany, University Heidelberg |
| since 2001 | Forschungszentrum Jülich |
| 2001-2011 | Director, ICG - Institute for Chemistry and Dynamics of the Geosphere, ICG-4: Phytosphere |
| since 2011 | Director, IBG - Institute for Bio- and Geosciences, IBG-2: Plant Sciences |
| 2004-2011 | Member, Executive Board, EPSO - European Plant Science Organization |
| 2006-2008 | Research Director, Research Area Earth and Environment, Forschungszentrum Jülich |
| since 2006 | Member, Executive Board, European Technology Platform Plants for the Future |
| 2006 | Founder, JPPC - Jülich Plant Phenotyping Center |
| 2007-2012 | Member, Steering Committee, European Technology Platform Biofuels |
| since 2007 | Member, Directorate, KoGa - Competence Center for Horticulture |
| 2008-2011 | Vice President, EPSO - European Plant Science Organization |
| since 2009 | Spokesman, IPPN - International Plant Phenotyping Network |
| since 2010 | Chairman, BioSC - Bioeconomy Science Centers |
| since 2011 | Coordinator, Cross-Program Activity Sustainable Bioeconomy, Helmholtz Association |
| since 2012 | Coordinator, EPPN - European Plant Phenotyping Network |
| German Head, LABEX Germany of EMBRAPA (Brazilian Agro Research Organization) |
| Member, Science Advisory Board, German Association for the Support of Private German Plant Breeding |
| Chief Executive Officer, QS Science Fund - Fruits, Vegetables and Potato |
| Member, CEPLAS - Center of Excellence in Plant Sciences |
| Coordinator, DPPN - German Plant Phenotyping Network |
| since 2013 | Senior Official, EU-CELAC - workgroup Bioeconomy in the cooperation process between Latin America and Europe, Government of the Federal Republic of Germany |
| Programme Speaker, Helmholtz Programme Key Technologies for the Bioeconomy |
| 2014-2018 | Chairman of the European Technology Platform Plants for the Future |
| since 2015 | Chairman of the International Plant Phenotyping Network (IPPN) |
| since 2016 | Chairman of the ESFRI-project EMPHASIS: European Plant Phenotyping Infrastructure |
| since 2019 | Member of the Excellence Cluster CEPLAS (Plant Sciences) and member of the steering committee |
| Member of the Excellence Cluster PhenoRob (Robotics for Phenotyping and Digital Agriculture) and member of the board of PhenoRob |
