 From 1980 till 2004 he was successively member, Deputy Secretary-General (1984), Secretary-General (1992) and President (1996) of the International Union of Psychological Science.He has been elected as permanent secretary of the Royal Flemish Academy in succession to professor Niceas Schamp, as of 1 September 2010.Géry van Outryve d'Ydewalle has been active as a musician (traverso) in several chamber orchestras.