Mark Lien, LC, CLEP, CLMC, HBDP, LEED AP

Mark Lein, LC

Mark has designed lighting systems for a wide range of applications including residential, retail, healthcare and both conventional and nuclear power plants. He has provided lighting education, working, presenting and teaching throughout North America, Europe, Asia and the Middle East. He serves on the Executive Committees for the 90.1 Energy Code, and the 189.1 committee that writes the International Green Construction Code and the Steering Committee for the Advanced Energy Design Guides. Mark is an active member of multiple other IES, ASHRAE, IEEE, ISO and ANSI Committees. He is a columnist for Lighting Design and Application Magazine writing on the changes in our industry and he hosts a podcast on lighting trends and technologies. Mark served as Chair of the National Electrical Manufacturers Association Light Source Committee and the IES Progress Committee and as Vice-Chair of the National Lighting Bureau.

He has attained the Lighting Certified (LC) credential and is a Certified Lighting Efficiency Professional (CLEP). In addition, Mark is a Certified Lighting Management Consultant (CLMC) and a LEED Accredited Professional. He also holds the High-Performance Building Design Professional (HBDP) certification. After two decades of lighting design and sales, Mark ran the educational centers for both Cooper and Hubbell Lighting and was the Director of Government & Industry Relations for OSRAM SYLVANIA. He joined the staff of the Illuminating Engineering Society in 2016.

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