
Joshua Stein
Team at Optimism
Joshua Stein is a current board member and former COO of Optimism. As founding CEO, Stein was leading Harbor’s efforts to tokenize private securities and solve the compliance challenges of trading private securities on blockchains.He was previously general counsel and chief compliance officer at Zenefits, served as general counsel at OptumRx (a subsidiary of UnitedHealth Group), was an Assistant U.S. Attorney, afederal judicial clerk and an Intelligence Officer for the U.S. Army.
Current Roles
Past Roles
News Mentions
Arbitrum, Optimism, and Base are fighting over $52 billion DeFi pie
XRP spot market strength signals true demand amid ETF optimism and bullish technicals
ETF speculation around Dogecoin, XRP drives spike in investor optimism
Crypto Lending Platform Nexo Returns to US Market on ‘Renewed Optimism and Entrepreneurial Momentum’
Tether’s $1 Billion USDT Mint Fuels Bull Run Optimism
Nexo to Return to U.S. After 2022 Exit, Citing Renewed Crypto Optimism Under Trump
Cardano Price Prediction 2025 – A Breakout Sparks New Optimism
Chainlink Breaks Out As Large Outflows Hint At Optimism
Crypto Investment Products See $226 Million in Inflows, Signaling Cautious Optimism
Celo becomes Ethereum L2 with Optimism rollup implementation

