MONDAY The Hellenic American Union organizes the Information Security Matrix Forum 2003, at the Divani Caravel Hotel. To Tuesday. For further information, tel 210.368.0907 or www.securitymatrix.net. The Hellenic American Union holds three two-day seminars on «International Accounting Standards.» At the HAU, 22 Massalias. To November 8. For further information, tel 210.368.0907. Bank of Greece holds an event at the Athens Concert Hall to celebrate its 75th anniversary. President of the Republic Costis Stephanopoulos, Prime Minister Costas Simitis and President of the European Central Bank Jean-Claude Trichet will attend. Kerkyra Publications to present the research of Robert McDonald, correspondent of the Economist Intelligence Unit in Greece, titled «Greece after 2006.» The presentation will take place at the conference hall of the Kerkyra Publications, 6-8 Vlachava. Deputy Labor Minister Rovertos Spyropoulos will speak. For further information, tel 210.331.4714. TUESDAY The Hellenic American Union organizes three-day seminar on «Business Excellence Models: Drive Improvement and Success in Your Company.» At the HAU, 22 Massalias. To November 6. For further information, tel 210.368.0006. THURSDAY A two-day show, «Career Days,» opens at the Holiday Inn Hotel in Thessaloniki. The exhibition is organized by the Macedonian University. To Friday. For further details, call 2310.891.321 or 2310.891.221. International Herald Tribune, in cooperation with event organizers Symeon G. Tsomokos, hold a symposium on «The Aftermath of the Olympic Games: Greece at the Crossroads.» Finance Minister Nikos Christodoulakis, European Commissioner Anna Diamantopoulou, New Democracy leader Costas Karamanlis and National Bank of Greece Governor Theodoros Karatzas will be among the keynote speakers. At the Athens Hilton Hotel. For further information, tel 210.728.9000. FRIDAY The Kalofolias Group, in collaboration with Vienna Municipality and the Austrian publications group Bohmann, hold a conference on «Waste Management and the Environment.» Acting Councillor for the Environment in Vienna Isabella Kossina, Secretary General of the Environment Ministry Stavros Kabelis and Vice-Mayor of Athens Nikos Apergis will speak. At the Divani Caravel Hotel. For further information, tel 210.617.2700.