Since 2024 Head of Division 711 – Universe and Matter;
2021-2024 Head of Division 723 – Global Change; Climate Research;
2018-2021 Deputy Head of Division 723 – Global Change; Climate Research;
2014-2018 Science Counselor; German Embassy Washington D.C.;
2011-2014 Deputy Head of Division 722 – Basic Energy Research;
2008-2011 Desk Officer Earth System Science - BMBF;
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Dr. Hess has held positions in the German Space Agency in Bonn and the German Mining Museum in Bochum. Dr. Hess is minerologist and journalist by education. He holds a Ph.D. in Mineralogy.