Sparking Business On-the-Go

About Us

Flint is a mobile payment service for small businesses that makes it easier than ever to accept credit cards and increase customer engagement. Designed for businesses that operate outside of traditional retail stores, Flint's iOS and Android apps allow users to take credit cards without a card reader – by scanning instead of swiping – or via online invoice payments. The all-in-one platform offers digital coupons to facilitate customer loyalty and referrals as well as a merchant portal to track transactions, payments, invoice management and more. Flint is a secure Payment Service Provider which provides instant setup without a merchant account and low transaction fees. Founded in 2011 and based in Redwood City, California, Flint is backed by top-tier Silicon Valley investors and mobile operators. For more information, visit

Management Team

Greg Goldfarb

CEO & Co-Founder

Greg brings over 15 years of experience leading new products and building cross functional teams. Prior to Flint, he was Vice President at Ribbit, where he created its flagship application with and served on the management team from Series A through acquisition by BT. Previously, he was Sr. Director of Products at Polycom and played an instrumental role in driving $100m+ growth.

Venkat Subramanian

VP of Engineering

Venkat leads application development and service integration. His engineering experience spans senior roles in payments, mobile platforms, rich web applications, and secure web services integration. Before Flint, Venkat was the Platform Director at Sendme Mobile. He also was a Principal Architect at Ribbit playing instrumental roles in the core platform and leading engineering.

Jim Gross

VP of Operations

Jim leads client services, partner operations, finance, and fraud prevention. He brings extensive operational and finance experience in payments, social, and ecommerce businesses. Jim joined Flint from Worldpay, a leading global payment processing provider. Previously he was Director of Finance and Operations at Rivet Games, a social and mobile gaming startup.

Jiyoon Chung

VP of Marketing

Jiyoon is an internet marketing veteran with extensive experience building an online and mobile audience, managing teams, and executing key product and marketing initiatives. As Vice President of Marketing at Flint, she is responsible for developing and driving marketing strategies for user acquisition, customer retention, and PR. Before joining Flint, Jiyoon played an instrumental role in creating and building marketing organizations and managing key strategic initiatives around acquisition marketing, retention marketing and business development at various consumer internet and mobile companies including eBay,, Nextag, and CrowdStar.

Sergei Gouzeev

VP of Scanning Technology

Sergei leads the development of card scanning methods and algorithms. He has over 25 years experience in visual data processing of all types including restoration, reconstruction, enhancement, understanding, and analysis. Before Flint, Sergei served as a Technical Lead at Scanr (rated by WSJ as the most accurate business card reading tool), VP Engineering at Exxim (the pioneer in graphic-card accelerated medical 3D imaging), and Technical Lead at iPIX (panoramic pseudo-3D imaging).


Storm Ventures

Storm Ventures was founded by a seasoned group of industry veterans with the common vision of sharing our collective experience, passion and energy to help talented and driven entrepreneurs build great companies of enduring value. Storm Ventures focuses on seed and early stage companies in both the mobile and enterprise software sectors, which includes companies such as Airespace, Appcelerator, Cellfire, Mobile Iron, Echosign, Rafter and Marketo. More Info

True Ventures

True Ventures is a Silicon Valley-based venture capital firm supporting great people in great markets since 2006. Started by entrepreneurs for entrepreneurs, the team provides funding, resources, and counsel to early stage, high tech startups and their visionary founders. Our portfolio includes investments in WordPress, BrightRoll, Fitbit, Bandcamp, Milo, Puppet Labs, Urban Airship, and StockTwits, to name a few. More Info

Digicel Group

Digicel Group Limited is a leading mobile service provider with operations in 31 markets in the Caribbean, Central America and Asia Pacific. After 12 years of operation, total investment to date stands at over US$4.5 billion worldwide. The company is renowned for delivering best value, best service and best network. Digicel runs a host of community-based initiatives across its markets and has set up Digicel Foundations in Jamaica, Haiti, Papua New Guinea and Trinidad and Tobago which focus on educational, cultural and social development programmes. More Info

SVG Ventures

SVG Ventures focuses on seed and early stage companies with disruptive technologies. Strong leadership and great teams matter, and we strive to find the best and brightest to invest in. Our team consists of accomplished technology leaders who want to apply their experience and passion to help portfolio companies succeed. We also leverage our vast global network allowing us to connect portfolio companies in meaningful ways to accelerate their success and exit opportunities. More Info

Verizon Ventures

Verizon Ventures seeks and invests in promising entrepreneurial companies to drive innovation in Verizon Communications. Verizon Ventures’ portfolio focuses on new products, technologies, applications and services that complement Verizon networks, service platforms and distribution channels. Deal size ranges from seed capital to $5 million depending on the needs and opportunities. Verizon Ventures often co-invests with other venture firms and strategic partners. More Info