Senior Management Team

John Davenport

Chief Scientist

Mr. Davenport currently serves as Chief Scientist for Energy Focus. Mr. Davenport joined Energy Focus in November 1999 as Vice President and Chief Technology Officer and served as Chief Operating Officer from July 2005 until May 2008 and President from May 2008 until July 2012. Prior to joining Energy Focus, Mr. Davenport served as President of Unison Fiber Optic Lighting Systems, LLC from 1998 to 1999. Mr. Davenport began his career at GE Lighting in 1972 as a research physicist and thereafter served 25 years in various capacities, including GE Lighting’s research and development manager and as development manager for high performance LED projects.

A recognized global expert in light sources, lighting systems and lighting applications, Mr. Davenport developed numerous advanced lighting products for GE Lighting, including the blue Xenon headlamp currently used in automobiles. During his tenure with Energy Focus, Mr. Davenport led the development of a range of LED lighting products, including Intellitube®, a pioneering tubular LED retrofit lamp, as well as EnFocus®, the Company’s patented lighting control platform. As the author of more than 125 patents, Mr. Davenport received a Master’s degree in Physics and a Bachelor of Science degree in Physics from John Carroll University.

Robert Hannegan

Vice President Sales

Mr. Hannegan started his career in commercial architectural lighting manufacturing in 2001. Since then, he has operated in many roles spanning from custom design projects to national sales management and operations. Mr. Hannegan has become a go to resource for all things lighting. Acting as sales and design support for sales representatives, distributors, and designers alike. Mr. Hannegan has executed an extensive array of fixtures and installations for a variety of job sites across North America. Born and raised in Southern California, he is a very proud Alumni of California Polytechnic State University of San Luis Obispo.

Simon Cheng

Vice President Product Management

Mr. Cheng currently serves as Vice President of Product Management for Energy Focus, a position he held since December 2015, responsible for the company’s procurement, supply chain, and product portfolio management. Mr. Cheng joined Energy Focus in June of 2013 as the company’s Brand Manager and served as Director of Supply Chain from December 2013 until December 2014 and Director of Business Development from December 2014 until December 2015. He also served as an Executive Director on Energy Focus Board of Director from 2012-2017. In his various roles at Energy Focus, Mr. Cheng has overseen the launch of over 20 new product series and obtained several industry awards.

Mr. Cheng began his career as a Fund Accountant with Bank of New York in 1996. Starting from 1997, Mr. Cheng spent the next several years working globally for Deloitte and Touche’s Enterprise Risk Services and became a certified SAP consultant at Deloitte Consulting. Subsequently, Mr. Cheng spent nearly a decade in Asia serving as Board Director and Project Manager of ZW Group, a real estate developer, and was a Co-founder and Chief Executive Officer for The X/Y Group, a marketing enterprise that served as the exclusive distributor for global consumer brands such as JanSport and Skechers in the greater China region. Mr. Cheng earned Bachelor of Science degrees in both Accounting and Marketing from New York University.

Randy Gianas

Vice President of Engineering

Mr. Gianas joined Energy Focus in October 2020 and is the Vice President of Engineering. From 2019 to 2020, Mr. Gianas served as the President of North Coast Engineered Products and was previously in engineering roles at Kichler Lighting from 2011 to 2018. He has over 10 years of engineering experience for lighting and technology companies. Mr. Gianas received his Bachelor of Science degree in Mechanical Engineering from the Cleveland State University.