Stone House Partners, founded in 2010, is an investment firm with the objective of maximizing the long-term growth of partner capital. The firm combines rigorous fundamental research with a business owner's mentality to make concentrated, high conviction investments in public companies across a range of industries.



Mark Cohen

Founder and Managing Partner

Mark Cohen is the Founder and Managing Partner of Stone House, which he launched in 2010. Prior to founding Stone House, he was an Investment Analyst at Force Capital Management, LLC. Mark earned a B.S. in Economics from the University of Pennsylvania’s Wharton School.

Raphael Rabin-Havt

Investment Analyst

Raphael Rabin-Havt joined Stone House in 2017 as an Investment Analyst. Immediately prior to joining Stone House, Raphael was an Editorial Researcher at the New York Times. From 2011 -2016, he was the Founder and Managing Member of GP&GM Capital, an investment partnership, and previously was an Associate at Ropes and Gray LLP. Raphael holds a BS from Cornell University and a JD from George Washington University Law School.

Jonathan Weinstein

Chief Operating Officer

Jonathan Weinstein joined Stone House in 2022 as Chief Operating Officer. He oversees the operations of the firm and strategic business development. Prior to joining Stone House, Jonathan was at J.P. Morgan where he performed due diligence on hedge funds for the private bank’s platform. Prior to J.P. Morgan, Jonathan held roles at MKP Capital Management, LLC, Cliffwater, LLC and Ernst & Young, LLP. Jonathan holds a BS in Accounting/Entrepreneurship from Indiana University’s Kelley School of Business and maintains a Certified Public Accountant certification.



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