Bertil Andersson (b. 1948) is professor in Biochemistry and President of Linköping University, Sweden (1999-2003). He was head of the Dept. of Biochemistry (1987-1995), Dean of the Faculty of Chemical Sciences and prodean of the Science Faculty, (1996-1999) at the University of Stockholm. He has been elected Executive Director of the European Science Foundation for 2004. His honorary appointments include: Member of the Board of the Nobel Foundation, 2000- ; Member (and chairman) of the Nobel Committee for Chemistry 1989-1997, (1997); Member of the Royal Swedish Academy of Sciences, since 1989. He has been President of the chemical section of the Royal Swedish Academy of Sciences, since 1998; Member of Academiae Europea, since 1990; The Finnish Science Society, since 1991; The Australian Academy of Sciences, since 1999; The European Molecular Biology Organization (EMBO), since 1990. He has received Honorary doctorates from Turku University, 2000 and Umeå University, 2002. He has been a Visiting Professor at Imperial College, London since 1990. Prof. Andersson has published a total of 275 papers in photosynthesis research, biological membranes, protein and membrane purification, and light stress