July 28, 2025

María Asunción Aramburuzabala formed family office Tresalia Capital after her father Pablo – executive vice president of Grupo Modelo, the brewer of Corona beer that his own father Felix founded after the Mexican Revolution – died unexpectedly of cancer in 1995 at age 63 with no finalized succession plan. Today she is worth an estimated $8.2 billion, making her Mexico’s wealthiest woman and Latin America’s second after Chilean mining magnate Iris Fontbana. Her story holds three valuable lessons for today’s family office builders.