San Francisco, CA – 10/7/2025 – sFOX, the leading crypto infrastructure company, announced the expansion of its leadership team with three key executive appointments and the addition of fintech pioneer Mark Britto as a strategic advisor.
The expanded team reflects sFOX’s commitment to scaling its platform for global institutions as demand for secure, regulated, and efficient digital asset infrastructure accelerates.
New Executive Appointments:
- David (“Dave”) Arnold, Chief Financial Officer – Arnold joins sFOX with more than 25 years of financial and operational leadership, including roles at Deloitte, JP Morgan, Visa, Boku, Udemy, and Routeware. He has executed over 30 M&A transactions and two IPOs, including assisting with Visa’s landmark listing and playing a pivotal role in Boku’s listing on the London Stock Exchange. Arnold will oversee financial strategy and operations, bringing deep expertise in scaling high-growth fintech firms. Arnold holds an MBA from the Fuqua School of Business at Duke University, and a BS in Accounting & Finance from the University of Connecticut, and is a registered CPA.
- Javier Martinez, Chief Compliance Officer and Legal Officer – Martinez serves as Chief Compliance Officer, Chief Legal Officer, Corporate Secretary, and Head of Human Resources at sFOX. He brings over 20 years of legal, compliance, and leadership experience across fintech and digital assets, including senior roles at Forte Labs and OANDA. As a founding executive at Boku, he led the legal, compliance, and HR functions. He began his legal career at Pillsbury Winthrop Shaw Pittman, holds a J.D. from The University of Chicago Law School, and has co-authored several patents in financial technology.
- Diana Pires, Vice President of Sales – Pires oversees global sales strategy and institutional client engagement. She brings over 15 years of experience across traditional finance, digital assets, and Web3, with a proven track record of scaling businesses from the ground up to multimillion-dollar revenue across three continents. Her expertise uniquely bridges the worlds of traditional finance and crypto infrastructure. Prior to joining sFOX, Pires held leadership roles at Crypto.com, B2C2, and OKX, where she drove institutional market expansion, go-to-market strategies, and revenue growth for PSPs, fintechs, and banks.
Strategic Advisor Appointment:
- Mark Britto, Advisor – Britto is a renowned fintech entrepreneur and executive who founded and served as CEO of Boku, a leading global mobile payments and local payment methods platform. He served as Executive Vice President of Global Sales and Credit at PayPal, and later as Chief Product Officer, where he oversaw PayPal’s end-to-end product and engineering functions, scaling merchant and consumer offerings worldwide. Over his career, Britto has led multi-billion-dollar initiatives across digital commerce, payments, and financial services. Under his leadership, Boku completed a successful IPO on London’s AIM market. He has also held senior roles at Amazon, Ingenio, and early ventures including Accept.com.
Britto’s deep experience in payments, scaling high-growth platforms, and strategic leadership will strengthen sFOX’s capabilities as it advances its mission to become the most trusted platform for institutional crypto infrastructure.
“sFOX is at an inflection point as institutions accelerate their adoption of crypto and stablecoins,” said Akbar Thobhani, CEO of sFOX. “The addition of Mark, Dave, Javier, and Diana strengthens our leadership bench with world-class expertise in compliance, sales, finance, and payments. Their collective experience across both traditional and digital finance uniquely positions sFOX to continue bridging institutional investors to the crypto economy.”
About sFOX
Founded in 2014, sFOX is a leading crypto infrastructure company that has surpassed $600 billion in notional transfer volume and powers 2,000+ businesses globally. As a Y Combinator alumni operating since 2014, the company’s flagship product, sFOX Connect, delivers the industry’s only full-stack crypto infrastructure enabling any business to build and monetize stablecoin and other crypto products through a single API. Built on the same enterprise-grade infrastructure originally developed for institutional trading firms and hedge funds that trade billions in monthly volume, sFOX Connect brings institutional-level capabilities to businesses of every size. The company maintains the highest regulatory standards with Wyoming Trust custody, SOC 2 certification, and ongoing compliance with global regulatory frameworks to ensure the security, transparency, and trust required by institutional clients.
