A sought-after advisor on digital transformation and marketing strategy, David developed foundational business concepts such as “The Customer Decision Journey,” and “Segment-of-One Marketing.” Most recently, he guided Aetna (now part of CVS Health) through becoming a digitally-oriented, customer-centric enterprise. David has been repeatedly recognized by Forbes as one of the “Most Influential CMOs in the World,” and by AdWeek as one of the “Top 20 Marketing and Technology Executives.” His writing and work has attracted over 1.1 million followers to his LinkedIn blog, and he has delivered dozens of keynote presentations at conferences around the world.

Currently, David advises CEOs of PE- and VC-backed companies in Health and Marketing Services, focusing on where AI and personalization unlock transformational opportunities. He is also a Senior Advisor with The Boston Consulting Group, and a Senior Lecturer at the Harvard Business School. 

Until September, 2020, David served as Chief Marketing Officer of Aetna, and ran the post-merger “Digital First” modernization program across CVS Health. He drove a broad transformation at Aetna, implementing real-time analytics and agile operations, rebranding the company, and bringing its marketing technology into the digital age. 

Before Aetna, David built practices for The Boston Consulting Group, Digitas, and then for McKinsey & Company, focusing on global digital transformation. 

David is a member of the Board of Trustees, and Strategy Committee of The Walnut Hill School for the Arts, and the Executive Board of the Boston Ad Club, the oldest marketing association in the country.