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
President & CEO
Derek White, the visionary leader of Refuel Agency, boasts a proven track record of managing and developing businesses nationwide. With over 25 years of successful business development and leadership experience, his industry-leading innovation positions Refuel as a leader within the niche marketing space.




Timothy Gerstmyer
Chief Development Officer
A motivational leader with over 25 years of experience pioneering leading-edge principals and strategies to best serve Refuel partners and agency marketing nationwide. He serves as the bridge between sales, marketing and product development for client and agency success.


David Silver
Chief Revenue Officer
For over 15 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.


Liz Carmo
Head of Military Markets


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


Christina O’Toole
VP of Marketing
Christina is a data-driven, full stack marketer with over 20 years success leading marketing in tech, publishing and higher education, including enrollment marketing programs for the University of California. Christina has developed hundreds of marketing campaigns and built all facets of programs including lifecycle journeys, creative direction and lead generation. She now heads corporate marketing and communications for Refuel Agency.


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



Greg Anthony
Head of Specialized Audience Media
(General Market)
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.