Complex sentence: Between 1995 and 2003 he served as President of the Association of Former Alumni of INSEAD in Portugal and became Member from 1998 to 2003 and President since 2003 of the Portuguese Counsel of INSEAD, The European Institute of Business Administration.
Split into simpler sentences: Between 1995 and 2003 he served as President of the Association of Alumni of INSEAD in Portugal, becoming a Member from 1998 to 2003. Since 2003 he has been President of the Portuguese Council of INSEAD, The European Institute of Business Administration.