WHO WE ARE
We are former traders, portfolio managers, and risk managers. Intimate knowledge of the practical aspects of trading, particularly when things don't go as planned, informs the design of everything we build.
LEADERSHIP TEAM
Ksusha McCormick
CO-FOUNDER AND CHAIRMAN
Prior to co-founding Decameron, Ksusha spent nine years in strategy and business development, as a Managing Director at Seaport Global, where she helped launch the firm’s asset management business, and as a Vice President in private wealth management at Goldman Sachs. Previously, she was a portfolio manager at the hedge fund JWM Partners, where she focused on US interest rates, mortgages, and fixed income volatility. She began her career as an FX forwards trader at Morgan Stanley. Ksusha serves on the board of No Limits Learning, a nonprofit that promotes multilingual education in New York City public schools. She holds a BA from Columbia and an MBA from Wharton.
Dmitri Mossessian
CO-FOUNDER AND CTO
Prior to co-founding Decameron, Dmitri served as Head of Portfolio Management and Risk Technology at Lazard Asset Management. Previously, he ran market risk research and modeling at Factset and served in senior research and risk management roles at AllianceBernstein and Credit Suisse. He co-authored the yield curve, swap curve, and interest rate modeling chapters of Debt Markets and Investments (Oxford University Press, 2019). Dmitri began his non-academic career as a strategist at JWM Partners and holds a PhD in plasma physics from the A. F. Ioffe Institute of Physics and Technology in St. Petersburg, Russia.
John Tsai
CO-FOUNDER AND Senior Advisor
John is a co-founder and Managing Principal of Redwood Bay Investors, a multi-strategy hedge fund. Previously, John was a Managing Director at Barclays Global Investors, where he ran the firm’s cash portfolio, at the time the world’s largest. From 1999 to 2008, John was a portfolio manager and principal at JWM Partners, where he ran the mortgage and fixed income volatility portfolios. He began his non-academic career as a strategist at Long Term Capital Management. John holds a PhD in astrophysics from MIT.
Andrew Geisert
CFO
Prior to joining Decameron, Andrew was a principal in Geisert Associates, an accounting and consulting practice for small businesses and start-up organizations. Previously, Andrew was a founding principal and CFO at ARIS Research and Technology LLC, a risk and portfolio management software company. Before joining ARIS, Andrew was a principal and CFO at JWM Partners, where he managed the entire back office operations of their global investment management business. Andrew holds a BBA in accounting from Baruch College and is a Certified Public Accountant (CPA).
Stephano Fachin
QUANTITATIVE CONSULTANT
Stefano possesses extensive experience with interest rate derivatives products, valuation models, and risk management. Prior to joining Decameron, he spent 11 years at Citadel in fixed income quantitative research. Previously, he served in senior quantitative research and technology roles at JP Morgan, Credit Suisse, and Wachovia. Stefano holds a PhD in theoretical physics from NYU as well as a certificate in mathematical and computational finance from Carnegie Mellon University.
Michael Evelyn
Senior Advisor
Michael is Head of Business Development at Seaport Global, a credit-focused investment bank. Previously, he was head of debt capital markets at Commerzbank AG in the Americas. From 2001 until 2006, he ran the financial institutions group within Barclays’ debt capital markets business in the US. He has held senior management positions in investment grade trading and syndicate at Merrill Lynch, Deutsche Bank, and WR Hambrecht. Michael began his career at Salomon Brothers. He received his MBA in finance from the University of Chicago’s Booth School, and his AB in economics from Washington University in St. Louis.
Alla Liberman
Senior Advisor
Alla Liberman is the Chief Operating Officer at Beacon Platform. Prior to joining Beacon, Alla spent over 20 years in global macro and relative value portfolio management, managing capital for Point72 Asset Management, Brevan Howard, and Citadel. Previously, Alla was the head of the fixed income proprietary positioning businesses at Royal Bank of Canada and JP Morgan. Alla serves as treasurer of the board and chair of the audit committee of the United Nations International School in New York. She earned a Bachelor of Science degree in accounting and finance from NYU’s Stern School of Business, graduating as valedictorian.
Sarah Cummings
Senior Advisor
Sarah Cummings is a specialist in ETF issuance, structuring, and trading at Morgan Stanley Investment Management. Previously, she was the VP of Partnerships at FTX US Derivatives and the Head of Fixed Income ETF Product Innovation at Blackrock. Sarah began her career at Goldman Sachs in interest rate products sales. She serves as the treasurer of the board of the Friends of Princeton Track and is an assistant cross country coach at Park City High School in Park City, UT. Sarah earned a Bachelor of Arts in economics from Princeton University, graduating magna cum laude.