Congratulations to Professor Xiaojun Chen, Chair Professor of the Department of Applied Mathematics (AMA), who has been named 2021 Fellow of the Society of Industrial and Applied Mathematics (SIAM) in recognition of her contributions to optimisation, stochastic variational inequalities, and nonsmooth analysis.

Prof Chen has an excellent track record in academic research and research leadership. She has published over 80 research papers in top journals of applied mathematics. She was invited to give plenary and semi-plenary talks at many international conferences. She was elected as a semi-plenary speaker at the 21st International Symposium on Mathematical Programming 2012 held in Berlin, Germany. She has won 20 grants as a principal investigator from the Australian Research Council, the Japan Society for the Promotion of Sciences and the Hong Kong Research Grants Council.

Prof Chen has made a highly significant contribution to the promotion and maintenance of high professional standards in mathematical research at PolyU in her roles as Head of AMA (until June 2019); Director of the University Research Facility in Big Data Analytics; and Co-Director of the Chinese Academy of Sciences, Academy of Mathematics and Systems Science & PolyU Joint Laboratory of Applied Mathematics.

Prof Chen also serves on the editorial boards of eight international journals including the SIAM Journal on Numerical Analysis and the SIAM Journal on Optimisation.

SIAM is an international community of over 14,000 individual members. Almost 500 academic, manufacturing, research and development, service and consulting, government, and military organisations worldwide are institutional members. SIAM was incorporated in 1952 as a nonprofit organisation to convey useful mathematical knowledge to other professionals who could implement mathematical theory for practical, industrial, or scientific use.