Interim Chief Executive Officer
Mr. Socolof holds a Bachelor of Arts degree in economics and a Bachelor of Science degree in mathematical sciences from Stanford University and received his M.B.A. from the Amos Tuck School at Dartmouth College, where he currently serves on the Board of Advisors of the Center for the Study of Private Equity. He is a director on the boards of ChoiceWORX and Everspin Technologies, which is a Nasdaq-listed semiconductor and electronics technology company, and a board observer of SunRay Scientific and Vydia.
Chief Operating Officer and Chief Financial Officer
Mr. Nestor, who joined Energy Focus in July 2019, is a senior operating and financial executive with over 30 years of strategic leadership in corporate finance, business strategy, mergers and acquisitions, and turnarounds with public and privately-held companies. From 2017 to 2018, Mr. Nestor served as Executive Vice President and Chief Financial Officer of Alumni Ventures Group, a New Hampshire-based venture capital firm with the most active global transaction volume according to PitchBook. Between 2013 and 2016, Mr. Nestor served as the Chief Financial Officer of Merchants Automotive Group, Inc., a privately held, $300 million fleet management, short-term rental, automobile retail and consumer financing company. Previously, Mr. Nestor also served as Senior Vice President and Chief Financial Officer of The Penn Traffic Company, a $1.5 billion publicly traded grocery distribution company, and Chief Financial Officer for Fairway Holdings Corp., a privately held, $750 million iconic grocery store chain based in the greater New York City region. Mr. Nestor received a Bachelor of Business Administration degree in Accounting from the University of Notre Dame and an MBA in Finance and Entrepreneurial Management from The Wharton School of the University of Pennsylvania. He is also a licensed Certified Public Accountant (CPA), Certified Management Account (CMA), Certified Financial Manager (CFM), and Chartered Financial Analyst (CFA).
Senior Vice President, Corporate Secretary, General Counsel
Mr. Warren joined Energy Focus in September 2020 as Senior Vice President, General Counsel and Corporate Secretary. Prior to joining Energy Focus, Mr. Warren was a corporate and securities lawyer in the legal departments of GrafTech International Ltd. (NYSE:EAF), a global manufacturer of graphite electrodes for electric arc furnace steel production, and FirstEnergy Corp. (NYSE:FE), one of the nation’s largest investor-owned electric systems.
Mr. Warren began his legal career at Tucker Ellis LLP in Cleveland, where his work included mergers and acquisitions, securities, and other corporate transactions. Before law school, Mr. Warren worked as an electrical engineer, focusing on research and development of naval sensor systems and digital communications systems. Mr. Warren earned his undergraduate and graduate degrees in electrical engineering from the Massachusetts Institute of Technology, and his law degree from Case Western Reserve University School of Law.