Dr. Xiaotao Bi has made outstanding contributions to the advancement of fluidization engineering, particularly on flow regimes, choking, electrostatics and dynamic signal interpretation. He has also made significant contributions to broad areas of engineering practice, explored applications of novel reactors to clean energy conversion systems, particularly on thermal cracking of heavy oil, thermochemical conversion of forest biomass residues and animal wastes, catalytic removal of flue gas NOx, monitoring/reduction of electrostatics from polymerization reactors, and water management in fuel cells. He has played key roles in incorporating sustainability into engineering training and practice by developing green engineering, clean energy, and engineering and public policy courses and programs at UBC, where he continues to work as a professor.