GBK Collective Email Format

Business Consulting and ServicesNew York, United States51-200 Employees

GBK Collective is a mid-sized marketing strategy and analytics consultancy based in New York, New York. From academic foundations, the firm combines data-driven research with seasoned guidance to address marketing challenges and produce clear, actionable insights. It was co-founded by the Vice Dean of Analytics and the Chair of Wharton’s Marketing Department, reflecting a blend of scholarly rigor and practical business experience. The organization emphasizes translating rigorous analysis into real-world marketing outcomes.

GBK serves organizations seeking to strengthen marketing strategy and deepen understanding of consumer behavior through analytical thinking. In early 2026, the firm announced leadership changes, including Rebecca Szew's promotion to partner and chief client officer and Ben Rogers's appointment as president, client services.

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