Stan Walerczyk is the principal of Lighting Wizards and chair of the Human Centric Lighting Society. His 31 years of lighting experience include distribution, maintenance, retrofit contracting, 3rd party review, consulting, design, luminaire design, policy-making, and research. Stan has assisted DOE research on spectrally enhanced lighting and judged Architectural SSL Product Innovation and LEDs Magazine’s Sapphire Awards. He has also written over 100 white papers and published articles and is the author of ‘Lighting & Controls: Transitioning to the Future.’ He presented 1100+ seminars and webinars, including at 4 Lightfairs, 4 AEE WEECs, 3 IES Conferences, 3 E Source Annual Forums, 2 Strategies in Light, 1 LightShow West, 1 OLEDs Summit and 1 Department of Energy Solid-state Lighting Conference. He is a Certified Lighting Energy Professional by the Association of Energy Engineers and is on the review board for that. He is a Human Centric Lighting Professional. He worked on the IES Spectral Effects and Energy Management Committees.