David Wren-Hardin

David Wren-Hardin is a Trader at Marathon Trading LLC in New York, specializing in proprietary derivatives trading with a focus on relative value strategies and arbitrage across equity and options markets. At Marathon, he leverages advanced quantitative models to identify trading opportunities and manages risk in highly liquid asset classes, drawing on the firm’s technologically-driven, collaborative environment.

Before joining Marathon Trading in 2020, Wren-Hardin served as Portfolio Manager at Parplus Partners LLC, where he managed multi-strategy portfolios, and was a Senior Trader at SG3 Capital, focusing on trading and market analysis in derivatives and equities. His investment career is marked by expertise in options trading, quantitative finance, and portfolio risk management, and he has contributed to the development and execution of sophisticated trading strategies within boutique and institutional settings.

Wren-Hardin holds a Ph.D. in Neuroscience from the University of Chicago, where his research focused on temporal and spectral processing in the avian brain, and a Bachelor of Science in Biology from Indiana University. His interdisciplinary background informs his analytical approach to trading and financial modeling, helping to drive effective decision-making in complex market environments.