General Info
Arthur Hayes, born in 1985, is a co-founder and former CEO of the cryptocurrency exchange BitMEX. He graduated from the Wharton School of Business in 2008 and started his investment banking career at Deutsche Bank and Citigroup in Hong Kong. In 2014, he co-founded BitMEX and became the first African-American to head a cryptocurrency exchange. Hayes has made 12 investments, with a focus on NFT projects, DeFi, and Web3. His investment check sizes typically range between $100,000 and $250,000. Hayes prefers to maintain a longer horizon for investments compared to typical venture funds. He leads Maelstrom, his family office fund, as the chief investment officer, with check sizes between $100,000 and $250,000, emphasizing long-term positioning in blockchain and decentralized infrastructure while avoiding regulatory conflicts.
Location:
Country: United States of America
Industries:
Investment Regions: EU, SEA
Investment Stages: pre-seed, seed
angel-individual
EU, SEA
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🤖 AI Activity Report
Status: very-active
AI Reasoning: Search found multiple October 2025 articles showing Arthur Hayes’ family office Maelstrom actively raising a $250M private equity fund and planning acquisitions, indicating recent investment activity in October 2025. The startup/target area mentioned includes mid-sized crypto infrastructure and analytics firms (no single startup name specified in those articles). The last known activity is within one month of the reference date, well under 6 months.
Angel activity thresholds:
Low Activity – Only known angel investments more than 12 months ago.
Active – Known angel investments between the last 12 and 6 months.
Very Active – Known angel investments in the last 6 months.
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