Dr. Yan Feng is an Atmospheric and Climate Scientist, Climate & Atmospheric Science Department in the Environmental Science Division, Argonne National Laboratory. She obtained her Ph.D. in Atmospheric Science (2005) and M.S. in Computer Science and Engineering (2002) both from University of Michigan, Ann Arbor. Dr. Feng has extensive experiences of modeling atmospheric chemistry and aerosols using both regional climate model (WRF-CHEM) and global chemical transport model. She has +20 peer-reviewed journal publications and contributed to three book chapters. Dr. Feng is a contributing author to the IPCC 3rd Climate Change Assessment Report, Chapter 5 on aerosols. Her work on nitrogen heterogeneous chemistry in dust aerosol is cited by the IPCC fourth Climate Change Assessment Report.