Life at Kard — Together, we're
redefining loyalty.

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Our Mission—What we want to achieve

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Reward programs can be a primary driver of customer engagement. But too often, they come at the cost of complexity — for the consumer, the merchant, and the issuer. Kard simplifies the experience, making loyalty more rewarding for everyone.


Historically, reward programs have been synonymous with card-linked offers. At Kard, we’re broadening that view, embracing all forms of loyalty — from buying from a partnered merchant to referring a friend to paying a bill. Enabling modern issuers to connect consumers with brands they love is our North Star.


At Kard, we’re building the future of loyalty with a new rewards-as-a-service platform. But that’s just what we do; more important to us is how we do it. In practice, this translates to full-time remote work, unlimited paid time off, excellent insurance, quarterly team offsites, and a strong commitment to diverse and equitable practices.


Realtime Ad Network

Advertisers rely on Kard’s transaction data from 10s of millions of consumers to gain insights into how they shop, not only at their stores but across their entire wallet.



Banks and card issuers don’t want a 1-size fits all design. Kard’s API allows issuers to design their own UX while Kard does the heavy lifting in the background.

Doing Grocery


Kard was built with security as a top concern from day 1, being PCI Compliant and SOC 2 certified since before launching our first customer. Serving some of the largest banks, fintechs, and merchants in the world, we know that our security has to be at the same level as yours.




Ben founded Kard in 2015, serving as CEO since its inception. Overseeing the GTM functions, he is directly involved in strategic sales and partnerships. Previously, Ben was an early employee at Work Market, an enterprise software company, focusing on sales and business development prior to its sale to ADP. He serves as a mentor for Techstars and is an active angel investor in fintech and adtech startups.
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Katie Harper



Katie has been with Kard since 2019 and is responsible for executing day-to-day operations as well as the strategic vision of the company. Previously, she was the Head of Operations at Upwave, a YC-backed brand advertising analytics company, helping them grow from seed to post-Series B. She was an early member of the This Week in Fintech team and is a Limited Partner for The Fintech Fund.
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Gary Poster

VP of Product and Engineering


Gary leads the Engineering, Data, Product, and Design functions at Kard. With a tech career spanning more than 20 years, he has extensive experience building high-performing, remote-optimized teams. He is hands-on with both backend and frontend architecture and takes a business-minded approach to building products. Prior to Kard, Gary held key engineering roles at Snyk and Manifold (helping to lead its acquisition by Snyk), and led teams at Heroku and Canonical.
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Shea Stringert

VP of Sales


Shea oversees the GTM team at Kard, including the Sales, Account Management, and Operations functions. He has 18 years of experience in both adtech and martech companies of various stages (Series B through pre-IPO) and specializes in building high-performing teams from scratch. Shea played significant roles in scaling both AdRoll and Cordial to $100M+ in revenue, in addition to supporting Criteo’s IPO and Tapad’s acquisition.
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Nick Aguilar

VP of Finance and Operations


Nick is responsible for the Finance, People, and Legal functions at Kard. Before joining, he played a crucial role in numerous high-profile transactions, including Group Nine-Vox, Reddit’s IPO, as well as various other sell-side transactions during his tenure in venture capital. He also lends adtech experience to the team, both from his time at Group Nine and Reddit.
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Join our team

Interested in joining the team? We’re looking for talent and initiative, certainly, but we’re also looking for people who are humble, kind, and devoted to building up our culture.

Open positions