Prof. Chang-Hong Chou, academician of  the Academia Sinica, was elected as a member of the Executive Board of the next Pacific  Science Association (PSA). Prof. Chou received this appointment in the 21^th PSA General Assembly held on June 11-19, 2007 in Okinawa, Japan. The Pacific Science Association (PSA) is a regional non-governmental, scholarly organization that seeks to advance science, technology, and sustainable development in and of the Asia-Pacific region, by actively promoting interdisciplinary and international research and collaboration.