Hitoshi Hamaguchi joined dentsu in 1993, bringing extensive expertise across the entire client value chain. Starting as a media planner, he transitioned to account planning (eigyo) before rising to Managing Director in creative. In this role, he spearheaded innovative initiatives, including leading CDC, Dentsu’s first SWAT Integrated Creative Solution Unit, and dentsu zero, the company’s pioneering in-house creative boutique.

A champion of client-centricity and collaborative innovation, Hitoshi has been instrumental in driving dentsu’s global sustainability agenda as part of the leadership team for Dentsu Good, an initiative designed to integrate sustainability into business practices.

In March 2024, Hitoshi joined dentsu APAC and now operates from Singapore, where he continues to shape transformative strategies and foster creativity across the region.