Arshan Saha is a driving force in the evolution of media, leading the charge as CEO of both GroupM Singapore and GroupM Nexus Asia Pacific.

A passionate advocate for media accountability across all addressable channels, Arshan spearheads GroupM's mission to make advertising work better for people.

His leadership extends across a dynamic portfolio. In Singapore, he oversees renowned agencies like Mindshare, Wavemaker, EssenceMediacom, and mSix&Partners, along with specialised units like Choreograph (Data & Technology) and GroupM Investment. As the head of GroupM Nexus in Asia Pacific, Arshan steers the world's leading media performance organisation, driving client growth through innovative cross-channel solutions and strategies.

Arshan's commitment to data-driven transformation is evident in his pioneering work. He played a key role in establishing award-winning specialty businesses like Xaxis (Programmatic), INCA (Influencer Marketing), Finecast (Addressable TV), Sightline (Addressable Out of Home), and Acceleration (Data & Tech Consultancy).

His 16+ years of experience in the advertising industry have been marked by launching and scaling data-driven businesses across 16 markets, achieving remarkable growth.

A visionary leader, Arshan not only guides his team to achieve exceptional results but also fosters a culture of mentorship and personal development. His collaborative approach, working closely with clients and partners, has consistently driven ad-tech innovation and thought leadership, setting new benchmarks for the industry.