Mark Zeldis

Mark Zeldis is a Partner at Walleye Capital in New York, where he leverages over two decades of experience in capital markets and financial technology to shape the firm's technology-driven investment strategies. In this role, he contributes to senior leadership and is particularly focused on integrating advanced software and engineering methodologies into Walleye's options and volatility trading businesses.

Prior to becoming a Partner, Mark served as the CTO and Partner at Walleye Capital, where he oversaw technology development supporting a range of systematic and market making strategies. His expertise spans trading technology, distributed systems, and algorithmic trading platforms across options, volatility, and broader capital markets strategies including macro volatility arbitrage, systematic FX volatility, and convertible bond arbitrage.

Mark began his career as a Programmer Analyst at Lehman Brothers, developing critical risk and trading systems in equities technology, and earlier founded a company focused on large-scale algorithmic solutions. He holds a Bachelor of Science in Computer Science from Brown University, bringing a strong technical background and a proven track record of technological innovation in financial services. His contributions include driving operational efficiency and mentoring emerging talent in fintech.