Marcos Eduardo Galperin (born 31 October 1971) is an Argentine billionaire businessman, who is best known as the co-founder, chairman, President and CEO of Mercado Libre.

[1] Marcos Eduardo Galperin was born on 31 October 1971 in the capital city of Buenos Aires to a wealthy family of Jewish descent.

[2] The fourth of five sons to Ernesto and Silvia Julia Galperin (née Lebach), his family owned SADESA, one of the largest leather companies in the world.

[4] There, he became friends with the son of then-president of YPF, José Estenssoro, who was killed in a plane crash through the mountains of Ecuador in 1995.

He returned to Argentina in 2015 to support the presidency of Mauricio Macri,[8] but ultimately decided to move back to Uruguay in 2020 because of its friendlier business environment.

Additionally, he serves on the board of directors at Onapsis, in business application security, and is also an investor at COR,[12] a project management tool that predicts and tracks profitability in real time.