Marval, O'Farrell & Mairal and Demarest & Almeida, of Brazil, along with the Mercosur Chambers of Commerce, organized the Seminar "Perspectives of the Mercosur faced with the new political scenario in Brazil and Argentina", which was held in Sao Paulo, Brazil, on September 25, 2002. Many business people attended the event. Juan E. Cambiaso, Pablo A. Artagaveytia and Gabriel R. Kuznietz assisted representing Marval, O'Farrell & Mairal. In addition to Juan E. Cambiaso, from Marval, O'Farrell & Mairal and Altamiro Boscoli, from Demarest & Almeida, speakers in the event were Messrs. Felix Peña (former Undersecretary of Foreign Trade of Argentina), Mario Marconini (former-Secretary of Trade of Brazil and Executive Director of CEBRI), Jorge Rodriguez Aparicio (Chairman of the Argentine-Brazilian Chamber of Commerce of Buenos Aires), Alencar Burti (Chairman of the Trade Association of Sao Paulo) and Alberto Alzueta (Vice-chairman of the Argentine-Brazilian Chamber of Commerce of Sao Paulo).