Haim Bodek is a Managing Principal of Decimus Capital Markets, LLC, a tactical consulting and strategic advisory firm focused on high frequency trading and U.S. equities market structure. Mr. Bodek was formerly a founder and Chief Executive Officer of Trading Machines LLC, an independent high frequency options trading firm. Prior to his tenure at Trading Machines, Mr. Bodek was a Managing Director and Joint Global Head of Electronic Volatility Trading at UBS. He is an electronic trading executive and algorithmic trading strategist with two decades of experience in the automated trading space. Mr. Bodek's career, experiences, and advocacy for regulatory reform of securities markets are described extensively in Dark Pools by Scott Patterson, a freelance writer and staff reporter for The Wall Street Journal. Mr. Bodek is also the author of two books on market structure, The Problem of HFT and The Market Structure Crisis, as well as the subject of the documentary film The Wall Street Code directed by Marije Meerman.
Mr. Bodek is known as a whistleblower who brought attention to several questionable practices of high-frequency traders and trading venues. He is generally credited with unleashing the so-called "order type controversy," which focuses on abusive practices relating to complex nontransparent order types. Mr. Bodek's contributions have influenced the ongoing public policy debate and the rapidly changing landscape for regulatory, enforcement, and litigation issues, and he has actively assisted the SEC in several investigations that resulted in substantial monetary fines and significant changes in practices of certain trading venues, including admissions of inaccurate disclosure.