Area of Interest
Transformation and fate of pollutants in the atmosphere
Transmission of infectious disease via aerosols
Viruses in the built environment
Environmental and health impacts of engineered nanoparticles

Professional Honors, Awards, and Recognitions
Professional Honors, Awards, and Recognitions toggle
Appointee, National Academy of Sciences, Engineering, and Medicine's Board on Environmental Studies and Toxicology
Excellence in Teaching Award from the Virginia Tech Center for Excellence in Teaching and Learning, 2019
Outstanding Reviewer for Environmental Science: Processes and Impacts, 2019
Fellow of the International Society of Indoor Air Quality and Climate, 2018
Plenary speaker at Indoor Air Conference, 2018
Fulbright Scholar to Taiwan, 2017-2018
Outstanding Reviewer Award, Aerosol Science and Technology, 2017
Plenary speaker at American Association for Aerosol Research Conference, 2015
NIH Director's New Innovator Award, 2013
Editorial board member of Environmental Science and Technology Letters, Aerosol Science and Technology, and Environmental Science: Processes and Impacts
Virginia Tech Innovator Award, 2014
Virginia Tech Dean's Award for Excellence in Research, 2014
Virginia Tech Civil and Environmental Engineering Alumni Board Teaching Award, 2010
Virginia Tech Engineering Faculty Fellow, 2007
National Science Foundation CAREER Award, 2006
Virginia Tech Outstanding New Assistant Professor, 2006
National Science Foundation Graduate Research Fellowship, 1996-1999
US Environmental Protection Agency STAR Graduate Research Fellowship, 1999-2002