Sean Hendelman
About Sean Hendelman
Sean Hendelman is the Chief Executive Officer of the Active Division at Clear Street and has extensive experience in the trading industry, having previously served as CEO at multiple firms including T3 Trading Group and T3 Live. He co-founded Public.com and holds degrees in Economics and an MBA.
Current Role at Clear Street
Sean Hendelman serves as the Chief Executive Officer of the Active Division at Clear Street. He began this role in 2024 and has been working on-site in New York, United States. His leadership focuses on driving the strategic direction and operational efficiency of the Active Division.
Professional Experience at T3 Companies
Hendelman is the Chief Executive Officer and Founder of T3 Companies, a position he has held since 2003. He has extensive experience in the trading industry, having also served as Chief Executive Officer at T3 Trading Group, LLC for 21 years until 2024. His tenure at T3 Live lasted 20 years, where he also held the CEO title.
Co-Founder of Public.com
In 2016, Sean Hendelman co-founded Public.com, a social investing platform. He has been an active board member since its inception, contributing to the platform's growth and development in the financial technology space.
Educational Background
Hendelman holds a Bachelor's degree in Economics from the University of Michigan, which he completed from 1994 to 1997. He also earned a Master of Business Administration (MBA) in Entrepreneurship from NYU Stern School of Business between 1998 and 2000. Additionally, he studied Economics at The London School of Economics and Political Science (LSE) in 1996.
Expertise in Trading and Market Structure
Sean Hendelman has developed and implemented automated trading strategies and high-frequency trading algorithms throughout his career. He is recognized as an expert in trading and market structure, having been featured on platforms such as CNBC, Advanced Trading, and Zero Hedge. He also holds multiple FINRA licenses, including Series 7, 24, 57, 63, and SIE.