Li Jiayu, previously with the Chinese Academy of Sciences' Institute of Mathematics, has joined the ICTP Mathematics group. Li, whose area of expertise is geometry, received his Ph.D. from Hangzhou University in 1988. In addition to working with the Chinese Academy of Sciences, Li has also been employed with Anhui University in Hefei, Fudan University in Shanghai, and the Academy of Mathematics and System Sciences in Leipzig, Germany. He was a Humboldt Fellow in 1996-1997 and was selected an Outstanding Young Scientist in China in 1999. From 1992 to1994, he was a post doctoral student with ICTP's Mathematics group. George Thompson, member of the ICTP High Energy, Cosmology and Astroparticle Physics group for the past 11 years, has been appointed head of the Office of External Activities (OEA). Australian-born Thompson, obtained his Ph.D. in physics from the University of Tasmania in 1982. He has been a Diploma Course teacher since 1993.