Judson P. Reis

Founding Partner

Mr. Reis graduated from Washington and Lee University, cum laude, in 1964 and the Harvard Business School, with distinction, in 1966. He joined Morgan Stanley & Co. in 1966 and spent 22 years there, most of them as a Managing Director in the Corporate Finance, Capital Markets and Mergers and Acquisitions departments. During the 1987 – 1988 academic year Mr. Reis, on leave from Morgan Stanley, served as the Morris Visiting Professor at the Darden Graduate School of Business of the University of Virginia. He remained a Visiting Professor at Darden until May 2008. In June 1988 Mr. Reis joined Kleinwort Benson North America as Executive Vice President and head of investment banking and was elected a Director of Kleinwort Benson Ltd. in the United Kingdom. Effective January 1, 1991, Mr. Reis relinquished his managerial responsibilities to found Sire, and agreed to serve as a consultant to Kleinwort Benson through December 31, 1991. Mr. Reis currently serves as: (i) a trustee and member of the investment committee of the Skowhegan School of Painting and Sculpture; (ii) a trustee and member of the investment committee for the W.T. Grant Foundation; (iii) a trustee and member of the investment committee of the Pomfret School; and (iv) a trustee at the Brooklyn Friends School.


Donna H. Walker

Partner, Chief Risk Officer

Ms. Walker graduated from Southern Methodist University with a BA in 1976, and an MBA in 1977. She began her investment career as a securities analyst at Southwestern Life Insurance Company. From 1979‐1984, she was a trader/analyst at Bass Brothers’ Enterprises (Ft. Worth, TX) and from 1984‐1986, was Senior Vice President of convertible securities for Paine Webber (NYC). From 1986‐97, Donna was a partner at Schwarzman Partners (Greenwich, CT), a firm specializing in convertible, risk and relative value arbitrage. From 1997‐1999, she served as a Principal and Portfolio Manager for Normandy Capital (Dallas, TX), a fund she co‐founded, which was principally engaged in convertible arbitrage, long/short equity and special situation investments. From 2000‐2003, Donna had sole responsibility for managing the long/short consumer book for the BBT Fund, a multi‐strategy market neutral fund managed by Bass Brothers, under the auspices of Twin Quest Advisors, LLC. She launched Twin Quest Capital, L.P. (Greenwich, CT), a long/short equity fund in October 2003, and closed the fund February 2005. She joined Sire in August 2005.


Joseph C. Heinz

Director of Research

Mr. Heinz graduated from Northeastern University in 2010 with a Bachelor of Science in Business Administration. Mr. Heinz completed a five year work study program at Northeastern during which time he had full time paid internships at State Street Global Markets, Morgan Stanley Prime Brokerage, and MFS Investment Management.  Joseph joined Sire in January 2011.


Clara M. Desiderio

Office Manager/Executive Assistant

Ms. Desiderio graduated from The Wood Tobe Coburn School of Business. For the past several years, she has worked as an office manager at several hedge funds including Festina Lente Investment Management, LP and Rx Capital Management L.P. Clara joined Sire in January 2009.