Dr. Lei Bi has made significant contributions to improvements in the invariant imbedding T-matrix method, particularly when he worked in the Department of Atmospheric Sciences at Texas A&M University, College Station, Texas, United States as an Assistant Research Scientist. He has published 47 journal papers and 2 book chapters. He received his BS and MS degrees from Anhui Normal University and Beijing Normal University, China, in 2003 and 2006, respectively, and a PhD degree from Texas A&M university, Texas, United States, in 2011. Dr. Bi is a recipient of the Richard Goody Award by Elsevier and the Journal of Quantitative Spectroscopy and Radiative Transfer (JQSRT). He serves as an Associate Editor of the JQSRT and an editor of the Asia-pacific Journal of Atmospheric Sciences.