• Stone Ridge Firm Overview

    Stone Ridge focuses on delivering valuable, diversifying return streams sourced from alternative risk exposures – not alpha.  We believe strongly in markets and strongly in the link between risk and return.  We leverage this link to create global opportunities for portfolio enhancement with a family of risk-specific strategies spanning reinsurance, volatility, and alternative lending.

    Powered by a close-knit team – with experience in academia, capital markets, and alternative asset management – our investor solutions facilitate access to and execution of complex strategies, making them accessible and cost-effective.

    Stone Ridge is based in New York with a financial engineering practice in Beijing.

  • Stone Ridge Leadership
    • Dan Fleder
    • Paul Germain
      Alternative Lending
    • Robert Gutmann
      Digital Asset Strategies
    • Ben Lawsky
      Regulatory Affairs
    • Alexander Nyren
    • Jim Rothwell
      CAO and Legal
    • Tomer Seifan
      Structured Investments
    • Ross Stevens
    • Yan Zhao

    Dan Fleder, Head of Markets

    Dan Fleder is the Head of Markets at Stone Ridge, which encompasses the Variance Risk Premium (VRP) and Elements strategies.  Prior to Stone Ridge, Dan was the Chief of Staff for Operations at KCG and previously was the Head of Risk Management at GETCO.  Dan started his career at McKinsey & Company after receiving his PhD in Operations Research, Master's in Statistics, and Bachelor's in Engineering from the University of Pennsylvania's Wharton School and Engineering School.

    Paul Germain, Head of Alternative Lending

    Paul Germain is the Head of Alternative Lending at Stone Ridge.  Prior to joining Stone Ridge, Paul was the Global Head of Prime Services at Credit Suisse.  Paul was previously a Partner at Goldman Sachs and Co-Head of the US Client Franchise in Prime Brokerage.  Paul earned an MBA from Harvard Business School and BSE in Management from University of Pennsylvania (Wharton).

    Robert Gutmann, Head of Digital Asset Strategies

    Robert Gutmann is the Head of Digital Asset Strategies and a co-founder of Stone Ridge.  Prior to Stone Ridge, Robert was the Head of Delta-One Synthetic Solutions at RBC Capital Markets.  He started his career at Morgan Stanley, where he became a senior trader in the Delta-One Structured Products group.  Robert received his BA in Mathematics and Music from Columbia University.

    Ben Lawsky, Head of Regulatory Affairs

    Ben Lawsky is the Head of Regulatory Affairs at Stone Ridge.  Prior to joining Stone Ridge, Ben was New York State's Superintendent of Financial Services, leading a 1,400-person regulatory body with responsibility for oversight of the more than 3,800 US and non-US banks and insurance companies with a nexus in NY.  In that role, Ben also spearheaded creation of the BitLicense, the first regulatory licensing scheme for digital currency businesses.  Ben is also a Visiting Scholar at Stanford University's Cyber Initiative, and was co-chair of NY Governor Andrew Cuomo's Cyber Security Advisory Board.  Ben holds a JD and a BA from Columbia University.

    Alexander Nyren, Head of Reinsurance

    Alexander Nyren is the Head of Reinsurance at Stone Ridge.  Prior to joining Stone Ridge, Alexander was a Principal in the insurance practice of Oliver Wyman, where he worked with reinsurers, insurers and government entities on risk management, underwriting and regulatory matters.  Previously, he structured catastrophe bond and quota share investments at Barclays Capital/Lehman Brothers.  Alexander earned an MPhil in Economics from the University of Cambridge and a BA in Applied Mathematics from Harvard University.

    Jim Rothwell, CAO and Head of Legal

    Jim Rothwell is the Chief Administrative Officer and the Head of Legal at Stone Ridge.  Prior to joining Stone Ridge, Jim was a partner in the Securities and Equity Derivatives Group at Davis Polk & Wardwell LLP.  Jim holds a JD from Harvard Law School and a BS in Biochemistry and Molecular Biology from Harvard University.

    Tomer Seifan, Head of Structured Investments

    Tomer Seifan is the Head of Structured Investments at Stone Ridge.  Prior to joining Stone Ridge, Tomer was the Head of Structuring and Solutions for Global Markets in the Americas at BNP Paribas.  Previously, Tomer led a variety of structuring and structured product groups at both BNP Paribas and Bank of America.  Tomer started his career in the Financial Institutions Group at Davis Polk & Wardwell after receiving his JD from Georgetown University and his BA from Yale University.

    Ross Stevens, CEO

    Ross Stevens is the CEO and Founder of Stone Ridge.  Prior to founding Stone Ridge, Ross was a member of the Investment Committee and Co-Head of the Portfolio Managers Committee at Magnetar Capital.  Previously, Ross was Global Co-Head of Equities at Jefferies and Global Head of Electronic Trading at Bank of America.  Ross started his career in quantitative research at Goldman Sachs Asset Management after receiving his PhD in Finance and Statistics from University of Chicago (Booth) and his BSE in Finance from University of Pennsylvania (Wharton).

    Yan Zhao, Head of Flourish

    Yan Zhao is the Head of Flourish and a co-founder of Stone Ridge.  Prior to joining Stone Ridge, Yan was a senior management consultant at the Boston Consulting Group.  She started her career at Morgan Stanley, as a trader in the Delta-One Structured Products group.  Yan holds an MBA from Harvard Business School and a BA with honors in Economics from Harvard University.

G. Steve Jordan
Stone Ridge NY area