Lester N. Coyle, Principal and Co-Chief Investment Officer

Dr. Lester Coyle is a principal and Co-Chief Investment Officer. Dr. Coyle joined the firm in 2005 from Commerzbank, where he was the U.S. head of credit correlation trading. Prior to that, he worked at Bank One as a single name and correlation trader on the credit desk and as a credit model builder within the quantitative group. Earlier, he was a mathematics professor at Duke University and Loyola University. He earned a PhD in mathematics (1995) from the University of Michigan and a BA in mathematics (1989)from Trinity College, Dublin. Dr. Coyle is co-author of the book "Lectures in Contemporary Probability" and has published numerous articles on probability and finance.

Deep Kumar, Principal and Co-Chief Investment Officer

Dr. Deep Kumar is a principal and Co-Chief Investment Officer. Dr. Kumar joined the firm in March 2003 and has been with the firm since that time, except for a ten-month period during 2010. Previously, Dr. Kumar was at BNP Paribas in New York (1995–2002), where he was the Chief Risk Officer for the USD rates group and oversaw the day-to-day risk taking by the group. Dr. Kumar has also done a great deal of work on volatility smiles and skews, much of which is used by a number of Wall Street firms for pricing and managing risks associated with options. He is the co-author of “Managing Smile Risk,” published in Wilmott Magazine in July of 2002. Dr. Kumar holds a PhD in hypersonics (1994) from Cranfield University, as well as an MSc in aerodynamics (1992) and an MA in engineering (1990) both from Cambridge University. 

Jason Prest, Principal & Head of Government Bond Trading

Jason Prest is a principal and Head of Government Bond Trading. He joined the firm in 2001, has traded U.S. Treasuries since 2003, and has been responsible for UST government relative value trading since 2009. Previously, Mr. Prest was an aerospace engineer for Pratt & Whitney (1996-2000), working on the engine programs for both the Joint Strike Fighter and the F-22 Raptor. Mr. Prest earned an MBA (2001) from Carnegie Mellon and a BS in aeronautical and astronautical engineering (1996) with a minor in economics from MIT. 

Christian Pellegrino, Principal and Head of CLOs

Christian Pellegrino is a principal and Head of CLOs. Mr. Pellegrino joined the firm in April 2012. Previously, he was an Associate with the law firm of Chapman and Cutler LLP, specializing in asset securitization. He was also a futures trader with Tradestation Securities. Mr. Pellegrino holds a JD (2007) from Northwestern University School of Law and a BS in mathematics (2003) from Florida State University. 

Antoine Tan, Principal and Head of Options Trading

Antoine Tan is a principal and Head of Options Trading. He joined the firm in June 2013 as a Quantitative Analyst working on the development, analysis, and maintenance of interest rate and option volatility models in the G7 markets.  Mr. Tan earned an MA in mathematics of finance from Columbia University and a Bsc/Msc in engineering from Supélec (France).  He completed his undergraduate studies at Lycée Louis Pasteur (France). 

Scott L. Wyler, Principal, Chief Executive Officer & CCO

Scott Wyler is a principal and Chief Executive Officer. He also serves as Chief Compliance Officer. Mr. Wyler has served in several roles since joining the firm in January 1997, most recently as President. He was General Counsel from 1999 until September 2017, and he was a trader for the firm in fixed income and emerging markets in 1997 and 1998. From 1994 to 1996, he was an associate with the law firm of Bracewell & Patterson (now Bracewell LLP). Mr. Wyler earned a JD (1994) from the University of Virginia and a BA magna cum laude (1990) from Yale University. 

Robert Printz, Principal and President

Robert Printz is a principal and President of the firm, which he joined in 2000. From 1996 to 2000, Mr. Printz was with Barclays Capital as a Managing Director of Capital Markets and, at separate times, Head of Generalist Sales, Derivatives Sales, and Global Hedge Fund Sales. Prior to joining Barclays, in 1996 Mr. Printz worked at Merrill Lynch as a Director in derivatives sales, from 1993 to 1996 at J.P. Morgan Securities as MBS product manager and hedge fund salesperson, and from 1986 to 1993 at Mitsui Bank as a portfolio manager. Mr. Printz earned an MBA in international finance (1986) from New York University Stern School of Business, New York University and a BS in management (1984) from The State University of New York at Binghamton. 

Karen Hansen, Principal and General Counsel

Karen Hansen is a principal and General Counsel. She joined the firm in May 2014 and served as Associate General Counsel until September 2017. Previously, Ms. Hansen was the General Counsel for Pomona Capital (2011-2014) and FLAG Capital Management (2006-2011).  From 2002 to 2005, she was an associate in the private investment funds practice of Proskauer Rose LLP in Boston (formerly, Testa, Hurwitz & Thibeault LLP). Ms. Hansen earned a JD from Northeastern University School of Law (2002) and a BS from the University of Delaware (1997). She is a member of the Massachusetts Bar and is Authorized House Counsel with the Florida Bar.

Francis Feeney, Principal and Head of Investor Relations

Francis Feeney is a principal and Head of Investor Relations. He joined the firm in 1998. Mr. Feeney's prior experience includes leadership positions with Sumitomo Bank Capital Markets, where he served as Senior Vice President of Investor Marketing. He was also Director of Capital Markets at Barclays de Zoete Wedd Ltd., and earlier, Fixed Income Salesperson, United Kingdom and International Investors with L.F. Rothschild Ltd. Mr. Feeney holds a Master's Degree in economics (1989) from Cambridge University and a BA (Honors First Class) in banking, insurance, and finance (1985) from the University of North Wales. 

Yelena Anuar, Principal and Chief Financial Officer

Yelena Anuar is a principal and Chief Financial Officer. She joined the firm in 2013 as the Corporate Controller. Previously, Ms. Anuar was a Vice President and Controller at Bluegreen Corporation. At Bluegreen, Ms. Anuar led an accounting team of approximately 30 individuals and was responsible for all aspects of accounting, reporting, and Sarbanes-Oxley 404 compliance for a public company with annual revenues of approximately $500mm. Prior to Bluegreen, Ms. Anuar's professional experience included corporate controllership and directorship of financial reporting functions at several mid-to-large sized SEC-registered companies, as well as serving as a Senior Auditor with Ernst and Young LLP. Ms. Anuar holds an MS in accounting from the University of Notre Dame and a BS in accounting from Florida Atlantic University. She is a CPA.

Thomas Olofsson, Principal

Thomas Olofsson is a principal. He joined the firm in 1999 as a senior relationship manager in investor relations. Mr. Olofsson's prior experience includes leadership positions with Öhman Junior Fondkommission AB, where he served in various roles including Senior Partner, Head of Fixed Income and Equity Trading and Manager of Proprietary Trading from 1988 through 1999. He was also a Fixed Income Trader and Interest Rate Options Trader for Svenska Handelsbanken from 1986 through 1988. Mr. Olofsson studied finance and economics at the University of Stockholm from 1985 through 1987. He earned the Certified European Financial Analyst designation from the Stockholm School of Economics in 1998. 

Jay Wells, Head of Quantitative Credit Strategies

Jay Wells is the Head of Quantitative Credit Strategies and he is the co-portfolio manager for the firm's Convertible Bond Strategy. Mr. Wells is also a member of the Management Committee. He joined the firm in July 2012. Mr. Wells began his career in 2000 as an analyst in the investment banking program at Lehman Brothers in Convertible Origination helping to develop many of today’s standard convertible structures. In 2004, he moved to the Convertible Trading desk and co-led the prop desk through 2012 at Barclays where he was most recently a Managing Director. Mr. Wells earned a BA (2000) with a double major in Physics and Mathematical Economics from Wesleyan. 

Robert Hart, Chief Risk Officer

Bob Hart is Chief Risk Officer. He joined the firm in 2004 from Lehman Brothers in New York, where he worked in the fixed income proprietary trading group. Mr. Hart's career has been concentrated in the pricing, trading, risk management, and product management of fixed income derivative securities. In addition, he has designed and built risk management systems for trading in fixed income options, U.S. Treasuries, FX options, and proprietary fixed income products (swaps, swaptions, Eurodollars, Eurodollar options, futures, and futures options). Mr. Hart earned an MBA (1982) from Harvard Business School and a BS summa cum laude in electrical engineering (1979) from Virginia Tech.

Gonen Minuskin, Chief Technology Officer

Gonen Minuskin is Chief Technology Officer. He joined the firm in March 2019. Previously, Mr. Minuskin served as Managing Director, Head of Mortgage Banking Capital Markets Technology for JP Morgan, where he led a global technology team supporting loan origination, servicing, securitization, and post-close operations. His career also includes front office technology leadership roles at Bank of America, HSBC Securities, and Prudential Securities. In addition, he co-founded a technology startup focused on revolutionizing transportation benefits for auto insurance companies. Mr. Minuskin earned an MBA from Columbia Business School and a BS in computer science from the State University of New York at Buffalo.

Mark Perry, Chief Operations Officer

Mark Perry is Chief Operations Officer. He joined the firm in 2007. Previously, Mr. Perry was a Vice president at Goldman Sachs in their Credit Derivative Operations group.  He held various roles at Goldman including Mortgage Derivative's Middle Office, Project Management, Interest Rate Confirmations, and Programming for Commodities & FX Systems. Mr. Perry earned a BS in Management Information Systems from Florida State University. 

Jerry Dupont, AVM Solutions Director & Co-Head of Financing

Jerry Dupont is a Director and Co-Head of Financing of AVM Solutions. He joined the firm in 2003 and initially worked in Operations focusing on U.S. dollar settlements and clearing until 2005. Previously, Mr. Dupont was an Assistant Manager in Trading Operations for the Ivy Funds. Prior to that, he worked for Scudder Kemper Investments as a Fund Accountant and Portfolio Accountant, and eventually as an Investment Administrations Manager for the Emerging Market and international Bond Funds. He holds a BS cum laude (1995) from Boston University. 

Aaron Stearns, AVM Solutions Director & Co-Head of Financing

Aaron Stearns, CFA is a Director and Co-Head of Financing of AVM Solutions. He joined the firm in November 2007. Previously he worked on the Dollar Funding desk at Abbey National Securities and the Government Trading desk at UBS. Mr. Stearns earned an MBA with a concentration in global finance from the Thunderbird School of Global Management (2007) and graduated magna cum laude with a BS in finance from the University of Connecticut (2000). He is a CFA Charterholder.