Leslie Serro, Co-Chair of US Alumni

Leslie has spent her career working with top CPG brands, eventually becoming the Chief Digital Officer and Chief Communications Officer for Nutrition and Ice Cream at Unilever North America. 

In this role, Leslie looked after the digital, e-commerce, media, PR, partnership and acquisition strategies for both categories that include Breyers, Talenti and Hellmann’s. Leslie started her time at Unilever on Klondike, reinventing the classic “What Would You Do for a Klondike Bar?” and driving the brand to double-digit growth. She also reinvented Good Humor, bringing back the iconic ice cream truck.

Additionally, Leslie experienced the joys of leading Klondike, Magnum, Popsicle and Good Humor product and advertising development, a portfolio of over $600M. Her Unilever experience also includes launching the British sensitive skin brand, Simple, into the NA landscape and keeping young men clean with Axe Personal Wash. Equally passionate about changing the world, Leslie started her career working at the American Cancer Society, raising over $1M for the fight against cancer.

Leslie left Unilever in October 2024 to run the Sweet Snacking Marketing at Kellanova where she’s responsible for a $2BN+ portfolio, including Pop Tarts, Rice Krispies Treats, RXBAR, Nutri-Grain, Special K Bars and Pure Organic where she is responsible for brand growth and full funnel marketing and media.

She loves mentoring teams and people, running half marathons and her home state of Wisconsin. She clearly loves cheese and the Packers, too.

Leslie Miller Head Shot

NOMINATIONS FOR 2026 ARE OPEN!

The program is free but highly selective so firstly we ask senior business leaders working within Marketing, Media and Advertising to nominate the best of their emerging leaders for a place on the program. All ‘nominees’ then receive an ‘Invitation to Apply’ which includes essential information about the process.

APPLICATIONS FOR THE GLOBAL FELLOWSHIP PROGRAM 2026 ARE OPEN

Applicants may apply to EITHER cohort regardless of country of residence, but must commit to attend both Residential dates & the Virtual day of their chosen cohort. Attendance is mandatory and a condition of acceptance onto the program.

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