Arthur Madrid is a French entrepreneur best known for co-founding The Sandbox, one of crypto’s largest NFT-based virtual gaming platforms. He served as CEO from October 2018 until August 2025, when The Sandbox restructured, and Madrid transitioned to a non-executive chairman role. He also co-founded Pixowl, the mobile studio that built the original Sandbox game before its 2018 acquisition, and has served on Animoca Brands’ board since March 2019. 

Who Is Arthur Madrid?

Arthur Madrid spent nearly two decades building consumer internet and mobile products before entering blockchain gaming in 2018. He earned a master’s degree in Economics from Paris Dauphine University in 2000 and began his career as a consultant at Eurogroup Consulting in France that same year. His profile sits alongside other builders featured on our crypto personalities page, which tracks the people running the platforms behind major tokens.

In November 2001, Madrid founded 1-Click Media at Ipercast, a role he held until the company was sold to Ipercast in December 2006. He then launched Wixi.com in January 2007, a private media-sharing network that converted uploaded photos, audio, and video into a single flash-based format for sharing with friends or embedding on blogs. That project ran until June 2011. Between 2010 and 2012, he also worked as an investor at Producteev, a New York-based task management startup later acquired by Jive.

Arthur Madrid’s Career and Contributions

Madrid built The Sandbox from the ground up, then stayed close to the action through his board seat at Animoca Brands.

From Pixowl to The Sandbox

Madrid co-founded Pixowl with Sébastien Borget in 2011, the same year Wixi wound down, putting him at the center of mobile gaming years before blockchain entered the picture. The San Francisco and Buenos Aires-based studio built family mobile games, and its 2D version of The Sandbox was named one of Apple’s Best Games of 2012.

Madrid served as Pixowl’s CEO until Animoca Brands acquired the studio in August 2018, when he and Borget rebuilt The Sandbox as a 3D virtual world powered by NFTs. Madrid then became CEO of the relaunched Sandbox that October, and under his leadership, the platform’s utility token SAND reached a diluted valuation of past $1.5 billion. The company also sold virtual LAND parcels to brands, celebrities, and individual collectors during the 2021 to 2022 metaverse boom.

Animoca Brands and the 2025 Restructuring

Madrid joined the board of Animoca Brands in March 2019, a Hong Kong-based gaming and Web3 investment firm that also holds stakes in Axie Infinity and other blockchain gaming projects. If you’re new to how tokens like SAND function on the back end, you can check our guide on NFT marketplaces for the basics before diving deeper into any single project.

In August 2025, Animoca restructured The Sandbox, cutting more than half its staff and naming Animoca executive Robby Yung as the platform’s new CEO. Madrid moved into a non-executive chairman role at that point, a title he still holds.

Views and Positions

Madrid has spoken publicly about decentralized ownership as the core idea behind The Sandbox, framing the platform as a place where players hold and trade what they build rather than renting access from a single company, according to the documentation from ‘The Sandbox team’. 

In a November 23, 2021 episode of the Bit About Crypto podcast, Madrid described The Sandbox as a trust-building exercise, arguing that safety and clear ownership rules were what would keep creators building on the platform in the long term. Following the August 2025 restructuring, ‘The Sandbox’ issued a statement on X saying Madrid and Borget “remain deeply involved” in the project despite losing day-to-day executive authority.

In a separate phone call with The Big Whale, Borget said he still considers himself the person who best represents ‘The Sandbox’ worldwide, as reported by Blockworks. Madrid has not issued a separate personal statement disputing that framing, and Animoca has confirmed the leadership change stands.

Arthur Madrid’s Net Worth

As of 2026, no independently verified net worth figure exists for Arthur Madrid. The commonly cited $100 million figure comes from an Investing.com blog post, based on the outlet’s own estimate of his Sandbox stake rather than Forbes, Bloomberg, or filing data, and no updated figure has surfaced since. Any current wealth likely comes from his equity stakes and leadership roles across Pixowl, The Sandbox, and Animoca Brands. 

Arthur Madrid in the News

The biggest recent story involving Madrid is his exit from day-to-day control of The Sandbox. On August 28, 2025, Animoca Brands laid off more than half of the platform’s roughly 250 employees and installed Robby Yung, Animoca’s CEO of Investments, as The Sandbox’s new CEO. As reported by CoinDesk, Animoca stated the changes reflected the company’s long-standing control of The Sandbox rather than a sudden takeover, though Madrid and Borget lost their executive powers in the shakeup.

The Sandbox pushed back on parts of that coverage directly on X, saying Madrid moved to chairman and Borget to global ambassador while both remain active in the project. Weeks later, Robby Yung laid out new plans for the platform built around AI tools, a cross-platform layer called SANDchain, and mobile expansion, according to Messari. 

Separately, Animoca Brands, the parent company that controls The Sandbox and where Madrid still holds a board seat, filed for a Nasdaq listing in November 2025 through a proposed reverse merger with Currenc Group, a Singapore-based fintech firm already trading under the ticker CURR. 

Under the deal terms reported by Bloomberg, Animoca shareholders would own roughly 95 percent of the combined company, which would become one of the first public companies covering gaming, DeFi and AI under one roof.  For more on Animoca’s other recent moves, see our coverage of Animoca Brands partnering with Ava Labs. 

Frequently Asked Questions

Here are quick answers to the most common searches when people look up Arthur Madrid.

Is Arthur Madrid still CEO of The Sandbox?

No. Madrid stepped down as CEO in August 2025 when Animoca Brands restructured the company. Robby Yung, Animoca’s CEO of Investments, took over as CEO, and Madrid moved into a non-executive chairman role, according to reporting from CoinDesk and Blockworks published that same month.

What is Arthur Madrid’s net worth?

No verified net worth figure for Arthur Madrid is publicly available as of 2026. The commonly cited $100 million figure dates back to a 2022 Investing.com ranking of crypto’s wealthiest people, which used the outlet’s own estimate rather than Forbes, Bloomberg, or public filings, so it should be treated as unconfirmed.

What companies has Arthur Madrid founded?

Madrid founded 1-Click Media in 2001, Wixi.com in 2007, and Pixowl in 2011 with Sébastien Borget. Pixowl developed the original 2D version of The Sandbox before Animoca Brands acquired the studio in 2018, and the team rebuilt it as a blockchain platform.

What is Arthur Madrid’s role at Animoca Brands?

Madrid has served on Animoca Brands’ board since March 2019. Animoca is a Hong Kong-based gaming and Web3 investment firm that acquired Pixowl and controls The Sandbox.

Why did Arthur Madrid step down as CEO of The Sandbox?

Animoca Brands restructured The Sandbox in August 2025 after the platform struggled to grow its active user base despite raising roughly $300 million over eight years. Animoca installed its own executive, Robby Yung, as CEO and moved Madrid into a chairman role as part of that shift, according to Blockworks and CoinDesk.