GreySpire Capital

We are a quantitative investment firm specializing in systematic trading strategies and advanced financial analysis.

Contact

info@greyspire.capital

About Us

GreySpire Capital is a quantitative investment firm specializing in systematic options trading strategies. We operate with an ultra-conservative philosophy where capital preservation takes absolute priority, combining mathematical rigor with multi-layered validation protocols.

Every strategy undergoes a thorough quantitative and qualitiative vetting process, including both analytical and statistical testing prior to deployment. Our collaborative team approach ensures human oversight complements our systematic processes at every critical decision point.

Our Mission

To deliver consistent, risk-adjusted returns through institutional-grade options strategies while maintaining transparency, operational excellence, and unwavering commitment to our fiduciary responsibilities.

Our Partners

Daniel Salama

Managing Partner

25+ years in technology leadership and business transformation. Former CIO/CISO at UnitedHealth Group and MCNA Dental. Dual B.S. in Computer Engineering and Chemical Engineering from Florida Atlantic University.

  • • Led enterprise technology at Fortune 500 organizations
  • • Extensive M&A and post-merger integration experience
  • • Expert in building and scaling distributed systems
  • • Deep information security and risk management expertise

Sarah Mitchell

Managing Partner

Former quantitative strategist at Two Sigma. MS in Financial Engineering from Stanford. Pioneered machine learning applications for real-time options pricing and Greeks optimization.

  • • Built ML-driven trade execution systems
  • • Expertise in statistical arbitrage strategies
  • • Led team generating 40% annual returns
  • • Specialist in volatility term structure trading

Ruben Salama

Managing Partner

20+ years in finance and business operations. Former commercial mortgage banker and financial services executive. BBA in Finance from University of Miami. Expert in capital markets and alternative investments.

  • • Scaled lending operations to 46 offices nationwide
  • • Worked with Lehman Bros, Bank of America, Bayview
  • • Deep expertise in commercial mortgage markets
  • • Proven entrepreneur and business strategist

Combined Expertise

45+
Years Combined Experience
$5B+
Assets Managed
3
Top-Tier Institutions
100%
Partner Owned