As brands increasingly rely on advanced analytics and consumer insights to guide growth strategies, GBK Collective has strengthened its leadership team with a senior appointment aimed at expanding client impact and strategic capabilities.
GBK Collective announced the appointment of Rebecca Szew as Partner and Chief Client Officer. In her expanded role, Szew will oversee client research design and thought leadership while working closely with President of Client Services Ben Rogers to deepen client relationships and drive measurable outcomes for the firm’s Fortune 500 customer base.
The GBK Collective Rebecca Szew appointment reflects growing demand among enterprise brands for consultative marketing strategies grounded in analytics, behavioral insights, and data driven decision making. As companies navigate increasingly complex go to market environments, consultancies are placing greater emphasis on integrating research, strategy, and execution under unified leadership.
Szew brings more than 20 years of experience advising organizations across industries including technology, enterprise services, consumer packaged goods, ecommerce, entertainment, healthcare, and financial services. Her expertise spans the full marketing lifecycle, from segmentation and brand equity analysis to customer lifetime value modeling and communication effectiveness.
“Rebecca is a rare talent who brings both depth and clarity to even the most complex client challenges,” said Jon Greenwood, Co-Founder and CEO of GBK Collective. “Her leadership, strategic thinking, and commitment to excellence have shaped how we apply better insights to drive results for our clients. I’m thrilled to see her take on the Chief Client Officer role as we continue to grow and evolve.”
Since its founding in 2015, GBK Collective has partnered with dozens of Fortune 500 companies, applying advanced analytics and custom research frameworks to solve large scale marketing and product strategy challenges. Rather than offering standardized solutions, the consultancy builds bespoke teams of experienced practitioners and academic experts tailored to each client engagement.
“Rebecca has made an invaluable contribution to GBK’s growth, and we’re excited to see her influence expand even further in this new role,” said Eric Bradlow, Co-Founder of GBK Collective, Vice Dean of AI & Analytics and Chairperson of Wharton’s Marketing Department. “She brings a clear, client-centered perspective to the way we apply insights and data, ensuring our work is not only analytically sound but highly relevant to business outcomes. Rebecca has helped our clients and teams focus on what really matters: using better data to drive smarter decisions.”
Previously serving as Executive Vice President of Research and Insights, Szew played a central role in shaping GBK’s consultative approach to customer and brand strategy. In her new position, she will continue refining the firm’s client engagement model while helping organizations apply emerging technologies such as artificial intelligence and predictive modeling to business challenges.
“It’s been a true privilege to help build GBK alongside such a talented team,” said Rebecca Szew. “What makes this place so special is our ability to start with a client’s toughest question and create something custom, rigorous, and practical from the ground up. I’m honored to take on this new role and excited to continue supporting our clients as they navigate growth, complexity, and change in an increasingly competitive market.”
The GBK Collective Rebecca Szew appointment underscores the expanding role of insights leadership in modern marketing organizations, where data driven strategy and client centric consulting are becoming essential to delivering measurable business impact in a rapidly evolving competitive landscape.
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