 Lagos Weber served as Chilean high representative for APEC during the summits of 2003 and 2004, and was the "main organizer" of the conference when Chile hosted APEC.To this end, he was also a Senior Official for Chile, and the president of APEC's Senior Officials Meeting II prior to the conference.Lagos Weber was a candidate for the congressional elections in December 2005, but withdrew his candidacy in August based on polls that suggested that, even with a 45% showing, he would not secure a seat under Chile's electoral rules.