We’ve been in your shoes.
Our partners and consultants have decades of real-world corporate experience. We focus on practical and actionable solutions to real issues. Our academic advisors hail from Wharton, Kellogg, Harvard, NYU and other leading universities.
leadership team
Professor Eric Bradlow
GBK Co-Founder and Vice Dean for Analytics at the Wharton School
Luke Brodbeck
Director, Research & Insights
Nick Costanza
Senior Research Manager, Research & Insights
Chris Diener, PhD
Senior Vice President, Analytics
Jake Ebright
Analyst, Analytics and Marketing Science
Jon Greenwood
CEO & Co-Founder
Samantha Hare
Vice President, Research & Insights
Tom Hickey
Senior Consultant
Jeremy Korst
President
Eryn Lipetz
Research Analyst, Research & Insights
Christine Odishoo
Senior Vice President, Research & Insights
Jared Piraneo
Senior Vice President, Research & Insights
Matt Schaefer
Senior Director, Research & Insights
Brian Smith
Senior Vice President, Research & Insights
Josh Spector
Chief Operating Officer
Rebecca Szew
Executive Vice President, Research & Insights
Adam Turner
Vice President, Marketing Science
Collective Advisors
Professor Sam Hui
Associate Professor of Marketing at the Bauer College of Business, University of Houston
Professor Blake McShane
Associate Professor of Marketing at Northwestern University's Kellogg School of Management
Professor Russell S. Winer
Professor of Marketing at the Stern School of Business, New York University
Randall Lewis, Ph.D.
Chief Scientist of Nanigans
Justin M. Rao, Ph.D.
Senior Director of Marketing at Booking.com
Mark Connolly
Non-Executive Director, GBK Collective Europe
Javier Flaim
Partner, CamberArc
Scott Haiges
Co-Founder, GBK Collective