CEREMADE (CENTRE DE RECHERCHE EN MATHÉMATIQUES DE LA DÉCISION. Past ICIAM President. FRANCE
CIMPA Executive Director
President of Korean Mathematical Society, School of Mathematics, Korea Institute for Advanced Studies (KIAS), SOUTH KOREA
Director, School of Mathematics, University of Nairobi, KENYA. (Representing East Africa )
President, Italian Mathematical Union.University of Rome “Tor Vergata”. ITALY
President, Egyptian National Mathematical Committee for IMU. Mathematics Department, Faculty of Science, Sohag University, EGYPT. (Representing North Africa)
President of European Mathematical Society (EMS), Institute for Mathematics, Technical University of Berlin, Germany
President of IMU CDC, School of Mathematics, Tata Institute of Fundamental Research, Colaba, Mumbai, INDIA
President of the London Mathematical Society, University of Oxford , UK.
President of the Mexican Academy of Sciences and head researcher at the Institute of Mathematics at the National Autonomous University of Mexico Institute of Mathematics, UNAM, Mexico.
Former Minister of Higher Education, Research and Innovation of Senegal, University Gaston Berger, Saint Louis, Senegal (Representing West Africa)
Former President of the Southeast Asian Mathematical Society in 2018-2019. Institute of Mathematics, University of the Philippines Diliman. Philippines.