Matthew B. Siano, Esq. is Managing Director, General Counsel of Two Sigma Investments, LP, Two Sigma Advisers, LP and Two Sigma Investor Solutions, LP, a trio of global investment managers specializing in quantitative investing across a broad range of asset classes, as well as their other U.S and non-U.S. affiliates.  Two Sigma and its various affiliates currently manage numerous hedge funds, private investment pools, registered funds and managed accounts with over $56 billion in assets under management.  As Two Sigma’s General Counsel, Mr. Siano is responsible for the firm’s legal, regulatory, compliance and government affairs matters and is the head of both their legal and compliance departments.  Mr. Siano joined Two Sigma in July 2004.

From September 1999 through June 30, 2004, Mr. Siano was an associate in the Investment Management Group of Seward & Kissel LLP, a New York City-headquartered law firm with an industry-leading hedge fund practice.  At Seward, Mr. Siano specialized in the formation and structuring of private investment funds (including hedge funds and private equity funds), representing registered and unregistered investment advisers, listing private investment funds on non-U.S. exchanges, advising clients on SEC, CFTC and FINRA filings, and providing overall corporate, securities and tax advice. 

Mr. Siano graduated cum laude from the College of William and Mary in Virginia in 1996 with a B.A. in Government and History.  While in Williamsburg, he also minored in Religion and published an honors thesis on the New York City public school system.  In 1999, Mr. Siano earned a J.D. from Fordham Law School, where he was the Special Publications Editor for the Urban Law Journal and a member of the Fordham Moot Court Board. 

Mr. Siano is also an adjunct professor in the Mason School of Business, the undergraduate business school of the College of William and Mary in Virginia, where he teaches a seminar course on the management of hedge funds.  He has also been an active industry speaker at events hosted by the American Bar Association, Bloomberg, the Corporate Lawyering Association, Fordham Law School, the International Bar Association, PLI, the RCA and various U.S. and international law firms.