James Tu is a visionary entrepreneur and the Chairman & CEO of Energy Focus.  In this episode we discuss the challenges and opportunities of the Human Centric Lighting "umbrella" which includes circadian, cuing, tuning, wellness and injury prevention.  The choice vs prescriptive circle is squared.   Finally, James refers to the scientific literature and to the massive opportunity the lighting industry has to make a significant impact on human health and wellness.  Jimmy Tunable has arrived.