Chair Professor of Tsinghua University, Director of the Yau Mathematical Sciences Center, Dean of Qiuzhen College, President of Beijing Institute of Mathematical Sciences and Applications (BIMSA)

President of Beijing Institute of Nanoenergy and Nanosystems of Chinese Academy of Sciences, Foreign Member of Chinese Academy of Sciences, Expert Member of Beijing Advisory Committee for Science and Technology Strategic Decision-Making

CAE International Member， Professor

Executive Director of the International Energy Agency

Ambassador of the Hashemite Kingdom of Jordan to China

First secretary of Embassy of the Oriental Republic of Uruguay 

Senior Director of Business Development of Grundfos

Chief of Section for Basic Science, Research Innovation and Engineering，Natural Sciences Sector，UNESCO

Counsellor for Technology and Digital Transfer

Chairman of the Advisory Committee of the International Center for Creativity and Sustainable Development under the auspices of UNESCO

Director and Head of the High Energy Astrophysics Group, Max Planck Institute for Extraterrestrial Physics (MPE) Manging Director, Max Planck Institute for Extraterrestrial Physics

Vice-President of the European Patent Office (EPO)