Our Team

John T. Shea

President and Founder

A thought leader in eCommerce and digital marketing, John has spent the past 15 years advising brands and retailers how to adapt to changing consumer behaviors. Whether it was working on Search advertising at Google in the 2000s, Programmatic advertising at Criteo in 2010s, or Marketplace Platforms at Momentum Commerce today, the common thread to all of John’s work has been organizing powerful teams to help brands use statistics, automation, and data-driven decision making to grow sales and win share. John lives in Newton, MA with his partner Danielle and their two sons, Rory and Rafferty.

Jay McQuillan

Chief Technology Officer

Jay has spent the last decade establishing, growing, and leading data science and machine learning organizations in eCommerce and ad tech. He founded and scaled the data science organizations at several companies, including the ad network Chitika and insure-tech focused Everquote, which went public in 2018. He believes that the combination of automation, mathematics, and strong understanding of business problems can drive step function impact to the efficacy of advertising and business strategy and has dedicated his career to assembling teams who do just that. He lives in Brookline, MA with his amazing partner Maria.

Molly Doe

Vice President, Client Development

Molly has spent her entire career in eCommerce, focused on client management and business development. Based on her deep experience, she understands the challenges partners face and what they need to achieve their business goals. Molly thrives on building connections and approaches every situation as an opportunity. In her previous roles at Criteo and Teikametrics, Molly delivered strong results for some of the largest manufacturer and most disruptive DTC brands in the industry, including LEGO, Purina, Brooklinen, 23andMe and Everlane. Molly resides in Naples, FL.

Ryan Walker

Vice President, Strategy

Ryan was first exposed to selling and advertising on Amazon while on the client side at an educational book publisher. He went on to build advertising service and strategy teams at Criteo and Teikametrics. His current role focuses on supporting the largest digital retail brands and owners with strategic consulting services as well as brand audits and diligence. Ryan and his teams have managed more than $300M in cumulative ad spend while maximizing brand control and profitability. He enjoys setting OKRs for his hobbies and strongly believes commas should only be used when writing lists. Ryan lives in Boston with his wife Elizabeth and their Golden Retriever.

David Kennedy

Vice President, Client Service

David has always been at the forefront of data-driven marketing. In the past two decades, he’s applied his data-driven approach to paid search, paid social and programmatic advertising. David has developed and led teams driving profitable growth for companies including P&G, REI, 1800Flowers, URBN, Newell, Bed Bath & Beyond. David lives in Charlotte, NC with his wife Ashley and their son Keegan, who is their world.

Kelsey Robb

Director, Retail Media Services

Kelsey spent the past five years in eCommerce, focusing on driving sales and performance for businesses through retail media and programmatic advertising execution. She has experience growing small businesses and driving focused results for enterprise-level businesses, including Outerknown, Vibram, Modell’s Sporting Goods, Nutribullet, Reef and Rockport. Her love of analytics and attention to detail means that no stone is left unturned when it comes to strategy and incrementality testing. Kelsey currently resides in Dorchester, MA with her boyfriend Matt and their dog Moose.

Patrick Callahan

Director, Client Development

Patrick joins Momentum Commerce with 13 years of experience in growing brands through Search and display advertising. He has formerly led client-facing teams at Teikametrics and Criteo. For Patrick, the most satisfying part of client development is working collaboratively across teams both externally and internally. Building lasting client partnerships is at the core of his work, allowing him to help brands pursue ambitious goals and KPIs. Combining data science, engineering, marketing strategy and creative services, Patrick has a proven track record of unlocking outsized growth and impact ranging from retailers Wish.com and Bon-Ton Stores; to manufacturer brands Dickies and Clarks; and DTC brands Warby Parker and Nutrafol. Patrick, a lifelong Massachusetts resident, currently lives in South Boston.

Caitlin Kang

Manager, Retail Media Services

Caitlin's love of marketing led her to begin a career in eCommerce 10 years ago. Starting on the agency and vendor side, she advised brands like Boeing, Clarks, FedEx, National Geographic, and New Balance, allowing her to build long-term, strategic relationships focused on holistic performance. To truly understand what it means to be a client, she joined J. Jill and Talbots' eCommerce teams, where she strategized and executed across all marketing touchpoints, including digital, print, and in-store. Caitlin, an avid golf and tennis player lives in Birmingham, MI, with her three kids Colette, Nathalie, and Julien.

Bill Huertas

Director, Analytics Engineering

Bill has been building innovative digital marketing solutions to connect brands with audiences since the 2000s. Through Search, audience and data platforms, native integrations, hyper-personalization or marketplace optimization, Bill has driven growth for brands and content creators alike, such as Yahoo, LEGO and Microsoft. A problem solver above all else, his role is to break down data silos for partners and deliver insights that lead to growth. A New Englander through and through, Bill lives “just a bit north of Boston” in snowy New Hampshire with his spouse Sarah and their two daughters Londyn and Ruby.

Eileen Devor

Senior Strategy Consultant

For more than a decade, Eileen has helped brands and retailers raise the bar of their marketing performance with data-driven solutions. At Wayfair, she worked in direct marketing, focusing on driving growth and efficiencies in affiliate and email channels. Eileen then shared her knack for using data to drive strong results at MMB, where she partnered with brick and mortar clients to increase their digital footprint. Later she led a team at Criteo helping eCommerce partners implement successful display programs. Eileen is a BC Eagle and lives in Hull, MA with her spouse Chris, son Nolan and dog Max where they take advantage of being near the ocean year-round.

Joe Regan

Principal Data Scientist

Joe has dedicated his 15-year career to building machine learning models and platforms to drive value for businesses across industries, including ad tech, finance, and insurance. He most recently served as a principal data scientist at Everquote, where he designed customized reinforcement learning and predictive models to facilitate ad bidding, optimize creative experimentation, and create user experience customization. Previously, he worked in computer vision at Photo Butler, where he was the lead designer of their facial recognition technology and automated image rating system. Joe, a huge fan of all Boston sports, lives in Jamaica Plain, MA.

Jordan Zeal

Head of Strategic Partnerships

Jordan started her career at PricewaterhouseCoopers in the Deals Advisory Valuation practice. In this capacity, Jordan advised enterprise and Fortune 500 clients to capitalize on strategic growth opportunities and unlock value potential. At Momentum Commerce, Jordan focuses on identifying partnership opportunities that drive perpetual innovation and deliver best-in-class capabilities to clients. A Texan at heart, Jordan currently lives in Atlanta, GA with her dog Lex.