Diana Littman

MSL U.S.: Chief Executive Officer

Diana Littman is on a mission to reimagine what public relations can accomplish — especially when data, culture and creativity are at its core — and what a communications agency looks like. As CEO of MSL U.S., Diana leads the award-winning agency known for its sophisticated earned and influencer engagement work and world class client roster including Procter & Gamble, GM, Lilly, J.M. Smucker, Lilly, Gilead and KitchenAid to name a few. With deep expertise in corporate and brand communications alike, MSL is a fundamental part of Publicis Groupe’s integrated model and sits on key executive teams within Publicis U.S. She reports to Arthur Sadoun, global chairman and CEO of Publicis Groupe.

Since joining MSL two years ago, Diana and her teams have pushed category boundaries, changed conversations and culture, and delivered meaningful reputation and business growth through marketing driven communications and communications driven marketing. From its Leadership Index that propels executives into industry visionaries to its Fluency platform, the most sophisticated in the influencer marketing space, to its investment in a fluid and advanced tech stack for real impact, Diana’s entrepreneurial spirit and obsession with accelerating transformation runs through the agency’s DNA.

MSL was recognized as PRovoke Media’s North America Consumer Agency of the Year in 2020 and for two consecutive years Diana was named to PRWeek’s Power List. She is a two- time honoree on the PRWeek and MM&M Health Influencer 50, has been on PRovoke Media’s 15 to Watch List and was a PRWeek 40 Under 40 in 2010. Her clients and work have been widely recognized in the industry with SABRE Awards, Effie Awards, Cannes Lions, PRWeek Awards, MM&M Awards and many more.