options-trading
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Thomas Gallagher and the six percent that needed a room
A securities lawyer helped build MIAX around electronic trading. Then a small corner of the options market gave Thomas Gallagher a reason to open a floor in Miami.
Thomas P. Gallagher and the business of building a market
A Princeton securities lawyer helped build MIAX into an international exchange group. His next chapter has room for both fast machines and a trading floor full of people.
Jack Slocum Is Still Debugging the Human Trader
He helped turn JavaScript into a serious application platform. Now the Option Alpha founder is applying the same systems instinct to a less obedient piece of software: the trader.
Chris Yu
Chris Yu is the co-founder and CEO of SignalPlus, a Hong Kong-based software firm building institutional-grade trading and risk-management infrastructure for crypto options and derivatives. A former macro trader at Goldman Sachs and Morgan Stanley, he spotted that crypto options represented less than half a percent of perpetual-contract volume and set out to close that gap. Since founding SignalPlus with James Shan in 2021, Yu has grown the platform into a tool used by firms including Cumberland, FalconX, Galaxy, and Goldman Sachs, and helped expand the crypto options market several times over.
Eva Sehic
Eva Sehic is the CEO of Lime Trading, a New York agency broker that provides fast, scalable direct market access to US equities and options markets. She stepped into the top job in September 2024 after joining as COO a year earlier, and brings more than two decades of markets experience from Goldman Sachs, Deutsche Bank and Sberbank's New York operation, where she served as COO and CEO. Known for pairing operational discipline with a bet on AI, blockchain and machine learning, she was named Excellence in Innovation winner at the 2024 Markets Media Women in Finance Awards and Vendor Professional of the Year at the 2025 Witad Awards.
Yoshi Yokokawa
Yoshi Yokokawa is the co-founder and CEO of Alpaca, the San Mateo-based API-first brokerage infrastructure company that powers over 300 global fintech partners across 45 countries. A former Lehman Brothers analyst and forex trader turned repeat entrepreneur, Yoshi built Alpaca from a YC W19 startup into a $1.15 billion unicorn after raising a $150 million Series D in January 2026. His vision: a 'Global Financial OS' that makes investing borderless, accessible, and developer-native.
Jack Raines
Jack Raines is a writer, investor, and author who turned a $150,000 trading loss into a media career and a Penguin Random House book deal. He writes Young Money, a newsletter with 61,000+ subscribers covering behavioral finance, career philosophy, and what your twenties are actually for. He's now an investment associate at Slow Ventures, where he works on their $63M Creator Fund. Known for viral LinkedIn satire that got him reported to Columbia Business School as the 'Bacon Bandit of Hell's Kitchen,' he combines intellectual rigor with a refusal to take himself too seriously.