Management Team
Meet
Our
Team
Refuel your campaignTM
We are Industry Experts
We come from the most renowned youth, military and multicultural media and marketing firms—a team of experts that know how to reach target audiences.
Derek S. White
Executive Chairman
Derek White, the visionary leader of Refuel Agency, boasts a proven track record of managing and developing businesses nationwide. With over 30 years of successful business development and leadership experience, his industry-leading innovation positions Refuel as a leader within the niche marketing space.
Tim Gerstmyer
President
A motivational leader with over 30 years of experience pioneering leading-edge buisness growth principals and strategies that drive success. He serves as the bridge between sales, marketing, technology and product development that creates new and diversified revenue streams with enhanced market differentiation.
David Silver
Chief Growth Officer
For over 25 years, David has lived and breathed media and multi-channel marketing for Refuel. Combining his varied experience and passion for meaningful brand experiences, campaign performance and client interaction, he approaches every opportunity and challenge with unmatched energy, knowledge and a natural love and excitement for the industry.
Chris Cassino
Chief Operating Officer
As a well-rounded, results driven executive with 25 years of progressive leadership experience, Chris is at the pinnacle of functional efficiency and client satisfaction initiatives within Refuel Agency. As an instrumental team leader on award-winning campaigns for major national brands, Chris brings that same guidance and hands-on approach to developing high performance teams and successfully executing strategic goals both internally and for agency clients.
Tracy Kertes
Chief Financial Officer
As a seasoned professional with over ten years of experience managing all aspects of Refuel Agency’s finances, Tracy is a wealth of knowledge. She is a pillar of the Refuel community and provides invaluable guidance surrounding financial budgeting and projections.
Liz Carmo
EVP, Audience and Brand Strategy
Liz has over 17 years of experience in Audience Marketing, andled the Military Division for nearly adecade.Leveraging her expertisein Data, AI, Influencers, Podcasts, and Streaming, Liz continues to drive growth for Refuel’score audiences. Beyond her continued leadershipin the Military Division, she oversees target marketstrategy and brand growth. Liz is dedicated to creating cutting-edgesolutions that help brands effectively reach these audiences.
David Mesas
Head of Multicultural Markets
David works with agencies, brands, and partners across industries providing media and marketing services to reach military, multicultural, and youth audiences throughout the U.S. Over the last 20 years, he’s consulted many Fortune 1000 companies, ad agencies, and media partners in the areas of multicultural marketing, audience segmentation, and digital advertising. David is a frequent keynote speaker at industry conferences, his knowledge and expertise is highly regarded and sought out by industry leaders nationwide.
Greg Anthony
EVP Media
As a Refuel Executive Team member for almost 30 years, Greg is the in-house media planning and buying expert for Military, Youth, College, Multicultural, and Local markets. A regular keynote speaker invited to conferences and symposiums, his knowledge and expertise is highly regarded and sought out by industry leaders nationwide. Greg is a board member of The LAGRANT Foundation which promotes diversity in the advertising, marketing and public relations fields.
Jeff Miller
Head of Teen & College Markets
Jeff oversees the college and youth division at Refuel Agency. With his comprehensive understanding of this attractive consumer audience and extensive marketing experience, Jeff brings strategic, insight-driven thinking and unparalleled enthusiasm to decoding and engaging these consumers on behalf of his clients and the Refuel team.
Brian Smith
Vice President, Marketing Technology
Brian Smith is a U.S. Navy Veteran and marketing technology executive who has driven transformational growth for Fortune 500 companies and emerging brands. With 20+ years scaling marketing, e-commerce, and creative strategies, he combines hands-on leadership with cutting-edge AI and automation expertise to deliver breakthrough results. Brian bridges military precision with entrepreneurial innovation, empowering teams to achieve peak performance while transforming marketing technology into competitive advantage across diverse markets.
Jacqueline Martinez
VP Business Affairs & Partnerships
Accomplished Business Leader and Licensed Attorney (NY and NJ) with a track record of success transitioning objectives into actionable plans, building frameworks to maintain compliance with regulatory guidelines and developing strategic partnerships to drive revenue growth.