L.-S. Fan influences the field of multiphase reaction engineering through his research (6 authored books, 470 journal-articles) and invention (70 U.S. patents), transformed to 8 demonstrated or commercialized clean energy processes and an Electrical-CapacitanceVolume-Tomography flow imaging device. His work has helped strengthen Canada’s positions in clean energy through engineer training and technology transfer. Fan’s 90 professional awards include highest honors in research from AIChE, ACS and major conferences, a top chemical engineering educator in United States, and professional leadership service recognition. Fan is AIChE’s one of the “One Hundred Engineers in the Modern Era”, and Fellow of National Academies of 6 countries.