Rosswall is former Executive Director of the International Council for Science (ICSU). He has been Rector of the Swedish University of Agricultural Sciences (SLU) and is professor emeritus of water in environment and society at SLU. His research has focused on microbial regulation of nitrogen and carbon cycling from the micro- to the global scale. He has played an important role in the development of global change research as Executive Director of the International Geosphere-Biosphere Programme (IGBP).He was the inaugural Director of START, the capacity building component of the global change research programmes. His memberships include: Academia Europaea; Royal Swedish Academy of Sciences; Royal Swedish Academy of Agriculture and Forestry; and The World Academy of Arts and Science. He is, among many appointments, past Chair of the Scientific Advisory Board of the Swedish International Development Cooperation Agency (Sida) and past member of the Steering Committee of the High-level Expert Panel (HLPE) of the UN Committee on World Food Security (CFS)..

Chen (PhD 1992, Joh.-Gutenberg-U., Mainz, Germany) is currently Chair Professor at University of Gothenburg, Sweden. He is an internationally renowned climate researcher with important contributions to the understanding of regional climate changes and their impacts in Sweden and China. His research includes Earth System Science, global environmental change, climate dynamics and modeling, and atmospheric circulation. He works on recent and future regional climate changes and their impacts on water, ecosystem, environment, and agriculture. He currently focuses on climate and environmental changes over the Third Pole (Tibetan Plateau) region. He has served as Executive Director of the International Council for Science (ICSU), Director of the Gothenburg Atmospheric Science Centre, and Science Director of the Beijing Climate Center. He is an elected member of the Royal Swedish Academy of Sciences and the Royal Society of Arts and Sciences in Gothenburg, as well as TWAS Fellow. He has served on numerous international and national committees and boards, advising various governmental, intergovernmental and international non-governmental organizations as well as research funding agencies.