Arthur Sadoun started his career as an entrepreneur in Chile before pursuing an MBA at INSEAD.

In 1999, he joined TBWA, and later became CEO of TBWA\Paris in 2003. Under his leadership, the agency was named “Agency of the Year” four times.

In 2006, he became CEO of Publicis Conseil and then was named CEO of Publicis Worldwide, where he managed the global network.

In 2017, he was appointed Chairman & CEO of Publicis Groupe. Under his leadership, Publicis accelerated its shift from a communications company to a leader in data, technology, and business transformation. This helped Publicis Groupe become the most valuable company in the sector by 2021 and the largest market capitalization by 2022 .

In 2022, Sadoun was diagnosed with HPV-related cancer. Rather than keeping his illness private, he publicly shared his experience and launched the “Working with Cancer”to erase the stigma of cancer in the workplace.