Dr. Xiaoliang Wang is a Research Professor in the Division of Atmospheric Sciences at the Desert Research Institute (DRI). He completed his B.E. degrees in Thermal and Environmental Engineering at Tsinghua University, and his M.S. and Ph.D. studies in Mechanical Engineering at the University of Minnesota. He designed aerodynamic lenses for nanoparticles (3-30 nm), the Aerodynamic Lens Calculator, and the TSI AFL-100 lenses (100-3000 nm) during his Ph.D. studies. Before joining the DRI, he worked for TSI Inc. as a Senior Engineer and developed a suite of aerosol instruments. His research interests include physical and chemical characterization of aerosols, pollution source emission measurement, and instrument development.