Behring then became a partner in the largest private-equity firm in Latin America, GP Investimentos, from 1994 to 2004. There he learnt about investing and mergers and acquisitions from his mentor, the Billionaire Brazilian financier and the principal of 3G Capital, Jorge Paulo Lemann. From 1998 to 2004, he ran América Latina Logística (ALL), a private sector railroad company with 13,000 miles of track in Argentina and Brazil.