Giuliano Simeone is an Argentine right midfielder born in Rome in 2002 while his father Diego Simeone was playing in Italy. He began with River Plate's youth system and moved to Atlético Madrid's academy in 2019. After scoring regularly for Atlético Madrid B, he made his first-team debut in April 2022 and then developed on loan at Real Zaragoza and Alavés. Returning to Atlético, he became part of Diego Simeone's senior squad and extended his contract in 2026. Giuliano represented Argentina at the 2024 Olympics, made his senior debut against Peru in November 2024, and scored his first Argentina goal in a 2025 World Cup qualifier against Brazil.