Yao-Jung Wen is a member of the Energy Efficiency Department at Energy Solutions, where he focuses on projects related to the energy aspects of intelligent connected devices and the Internet of Things (IoT) applications, and investigates various aspects of networked lighting control systems, including energy reporting, interoperability and non-energy benefits. He also leads various policy development efforts related to lighting and lighting controls. Prior to Energy Solutions, he spent 8+ years at Philips Lighting (now Signify) as a Senior Scientist contributing to government- and corporate-funded advanced lighting control projects, new business ventures, and lighting system standardization activities. Yao-Jung holds a Ph.D. in Mechanical Engineering from University of California, Berkeley. He is a certified lighting professional (LC) and has served as an elected officer on the Board of the Illumination Engineering Society (IES) San Francisco Section.