Global Chief Marketing Officer
250 E 5th St.
Diana O'Brien leads Deloitte’s network of marketing functions in the US and worldwide to drive growth, build world-class creative and analytics capabilities, and champion the voice of the customer. She enables marketing leaders across Deloitte to make a greater impact by aligning marketing work with Deloitte’s global strategy and brand purpose. She also leads the Deloitte’s C-suite CMO Program, and serves as an advisory partner to two global life sciences clients.
Since joining the firm in 1985, she has held a number of leadership roles across global client portfolios. Appointed in 2015 as the first chief marketing officer for the US, she reimagined marketing by combining independent marketing functions with PR, communications, digital, and marketing to create a cohesive, agile client-centric organization. She led the ground-breaking and opening of Deloitte University, our 700,000 square-foot, $300 million leadership center and served as its first managing principal. Diana has been included in Forbes' "World’s Most Influential CMOs" and Business Insider’s "Top 50 Most Innovative CMOs in the World."
Her passion extends to charities related to autism and diversity. She is the chairman and founder of IMPACT Autism, a forward-thinking organization that creates and delivers life management solutions to combat the educational, emotional, and social challenges of living with autism.
She lives in Cincinnati with her husband and triplets.