Dr. Tsou Sheung Tsun obtained her B.Sc. in Hong Kong and her Doctorat esSciences in Geneva. She has held research fellowships at Wadham College, Oxford, and at the Mathematical Institute, Oxford, where she is now on the Faculty. Trained both as a mathematician and a physicist, Dr. Tsou has worked in gauge theory, string theory and particle physics. Recently she has concentrated on theoretical problems connected with the generation puzzle, neutrino oscillation and electric-magnetic duality. She is also active in the European Mathematical Society and European Women in Mathematics.