Teresa Barreira

Publicis Sapient

Chief Marketing Officer, Publicis Sapient

Biography

Teresa Barreira is a transformational leader and innovator redefining modern marketing. As the Chief Marketing & Communications Officer at Publicis Sapient, she has reinvented the brand and repositioned the company as a leader in AI-led digital business transformation. Barreira’s creative and bold thinking, paired with over 25 years of global B2B marketing expertise, has enabled her to break the mold of traditional marketing in the technology and IT services industry. A dynamic changemaker, Teresa has created an agile operating model focused on speed, data, tech, and innovation. She’s at the forefront of marketing innovation, leveraging AI to reimagine the marketing function for a future that is highly agentic and dynamic – introducing an agentic content supply chain, augmenting creative intelligence, and creating teams where humans and Agents collaborate seamlessly. Under her leadership, marketing has shifted from execution to orchestration, enabling teams to drive hyper-personalized engagement, breakthrough creativity, and data-informed storytelling. Her growth-focused strategy has contributed to doubling the company revenue in 5 years. Previously, Teresa served as CMO of Deloitte Consulting LLP, where she helped drive over $8 billion in revenue and led a data-driven marketing transformation. She has also held senior leadership roles at IBM, Accenture, and high-growth software startups. A proud Hispanic and native of Portugal, Teresa has lived and worked across the U.S., Canada, and Europe. She is a board member at the Catholic University of Portugal and a frequent speaker at global conferences such as SXSW, VivaTech, Web Summit, and ANA. Her thought leadership has been featured in numerous publications and broadcasts, including CNBC, Forbes, Business Insider, Adweek, Consulting Magazine, and Variety. She is a recipient of multiple awards, including three Clios for her leadership and innovation in storytelling, ACE Awards, Stevie Awards, Consulting Magazine and IT honors. Teresa is known for making the complex simple, pushing boundaries, turning challenges into opportunities, being a visionary and forward thinker, inspiring trust and followership, and cultivating a culture of experimentation and learning.