A lejandro Santo Domingo is the public face and senior managing director of his family's investment firm, Quadrant Capital Advisors, and a key figure on the board of brewing giant Anheuser-Busch InBev. He is the son of the late Julio Mario Santo Domingo, a Colombian tycoon who built a massive beer empire with Bavaria Brewery. The family's fortune was cemented in 2005 when his father traded Bavaria for a 15% stake in SABMiller.

When AB InBev acquired SABMiller in 2016 for over $100 billion, the Santo Domingo family became one of the largest individual shareholders in the resulting beer behemoth. A graduate of Harvard University, Alejandro now manages the family's vast and diversified fortune. Beyond their stake in AB InBev, the family holds significant investments in a wide range of sectors in Colombia and Latin America, including media (Caracol Televisión), retail, real estate, and banking through their holding company, Valorem. He is known for his sophisticated investment approach and for carrying on his family's extensive philanthropic legacy in Colombia.