Medley Partners

Medley Partners, founded in 2004 and based in California, is a family office managing private equity investments primarily for Jim Simons' family and affiliated entities. The firm focuses on a variety of private equity funds, including buyout, growth equity, venture capital, real estate, and distressed assets across the United States, Europe, and Asia. In addition to investing in committed capital funds, Medley Partners engages in co-investment opportunities alongside the funds in which it invests. The firm adopts a diverse investment strategy that spans different geographies and industries, aiming to identify strong managers and investments with compelling long-term value fundamentals.

Peter Phillips

Managing Director

Pascal Villiger

Managing Director

Brent Whisenant

Managing Director

7 past transactions

Siva Power

Series C in 2010
Siva Power (formerly Solexant) develops third generation thin film PV technologies which increase solar cell efficiency and reduce manufacturing costs, therefore enabling the commercialization of solar modules that generate electricity at competitive rates without depending on government subsidies. Using printable nano-material technologies exclusively licensed from leading universities,Siva Power's flexible solar cells harvest energy from the entire solar spectrum.

Siva Power

Series E in 2017
Siva Power (formerly Solexant) develops third generation thin film PV technologies which increase solar cell efficiency and reduce manufacturing costs, therefore enabling the commercialization of solar modules that generate electricity at competitive rates without depending on government subsidies. Using printable nano-material technologies exclusively licensed from leading universities,Siva Power's flexible solar cells harvest energy from the entire solar spectrum.

Siva Power

Series D in 2015
Siva Power (formerly Solexant) develops third generation thin film PV technologies which increase solar cell efficiency and reduce manufacturing costs, therefore enabling the commercialization of solar modules that generate electricity at competitive rates without depending on government subsidies. Using printable nano-material technologies exclusively licensed from leading universities,Siva Power's flexible solar cells harvest energy from the entire solar spectrum.

Siva Power

Series A in 2007
Siva Power (formerly Solexant) develops third generation thin film PV technologies which increase solar cell efficiency and reduce manufacturing costs, therefore enabling the commercialization of solar modules that generate electricity at competitive rates without depending on government subsidies. Using printable nano-material technologies exclusively licensed from leading universities,Siva Power's flexible solar cells harvest energy from the entire solar spectrum.

EnLink Geoenergy Services

Venture Round in 2008
EnLink continues to be an innovative leader in the geothermal heat pump (GHP) industry by virtue of its continuous improvement in the installation of underground loop systems, called Earth Heat Exchangers (EHXs). After 14 years in the business, and with 13 US and international patents to its credit, EnLink has a record of reliability and success in EHX installation that is unsurpassed in the industry. EnLink is committed to total professionalism with its clients, its partners and all the stakeholders who participate in their projects.

Siva Power

Series C in 2011
Siva Power (formerly Solexant) develops third generation thin film PV technologies which increase solar cell efficiency and reduce manufacturing costs, therefore enabling the commercialization of solar modules that generate electricity at competitive rates without depending on government subsidies. Using printable nano-material technologies exclusively licensed from leading universities,Siva Power's flexible solar cells harvest energy from the entire solar spectrum.

Siva Power

Series B in 2008
Siva Power (formerly Solexant) develops third generation thin film PV technologies which increase solar cell efficiency and reduce manufacturing costs, therefore enabling the commercialization of solar modules that generate electricity at competitive rates without depending on government subsidies. Using printable nano-material technologies exclusively licensed from leading universities,Siva Power's flexible solar cells harvest energy from the entire solar spectrum.