Managing Directors

Stephen Mullennix
Stephen Mullennix
Managing Director (36) - Los Angeles

Mr. Mullennix is a Managing Director based in Los Angeles. Mr. Mullennix is actively involved in asset management of USRG's portfolio projects and is also involved in transaction sourcing, analysis, due diligence and acquisition. Prior to joining USRG, Mr. Mullennix was Director of Strategic Planning at AECOM Technology Corporation ("AECOM"), the fourth largest engineering and design firm in the U.S., with international operations and revenues of $2 billion. Mr. Mullennix directed M&A and corporate finance initiatives including raising private equity funds and managing an IPO process. Prior to AECOM, he was a co-founder and VP of Operations at Ennix Incorporated, a biotechnology firm specializing in systems for municipal wastewater treatment.


Mr. Mullennix is active in the management of SolarReserve, Inc and Thermal Energy Development Partnership, LP, and in Penrose Landfill Gas Conversion, LLC and Toyon Landfill Gas Conversion, LLC prior to their disposition. Mr. Mullennix has an MBA from the Anderson School at UCLA where he graduated with honors, and an AB in Economic Geography from Dartmouth College where he graduated summa cum laude and Phi Beta Kappa.