2005-2010 Associate Professor, Dept. of Math. Sciences, UWM. 2002-2005 Assistant Professor, Dept. of Math. Sciences, UWM.
1999-2002 Assistant Professor, Dept. of Math., University of Southern Mississippi (USM).
1996-1999 Research Associate, Courant Institute, New York University and Howard Hughes Medical Institute.
1992-1995 Research Assistant, Texas Center for Advanced Molecular Computation, University of Houston, Houston, TX.
1991-1992 Teaching Assistant, Dept. of Math., University of Houston.
1985-1991 Lecturer, Dept. of Math., Hunan University, Changsha, China.
Honors and Awards
NSF Research Grant Award, $600,000 ($300,000 for PI. Prof. Dexuan Xie at UWM and $300,000 for Prof. Ranjan Dash at Medical College of Wisconsin), Division of Mathematical Sciences, National Science Foundation (NSF), 2022 – 2025. Project title: DMS/NIGMS 1: Collaborative Research: Advanced Ion Channel Modeling and Computational Tools with Application to Voltage-Dependent Anion Channel and Mitochondrial Model Development.
Simons Foundation Award, $42, 000, Mathematics and Physical Sciences-Collaboration Grants for Mathematicians, 2020 – 2025. Project title: Advanced Nonlocal Dielectric Continuum Ion Channel Models and their Fast Finite Element Solvers.
NSF Research Grant Award, $399,935 ($230,263 for PI at UWM and $169,672 for PI (Prof. L. R. Scott) at the University of Chicago), Division of Mathematical Sciences, National Science Foundation (NSF), 2012 – 2015. Project title: Collaborative Research: Advances in Nonlocal Dielectric Modeling and Free Energy Calculation for Protein in Ionic Solvent.
Research Growth Initiative Award, $67397, Graduate School, UWM, July 2, 2013 to December 31, 2014. Project title: New Nonlocal Continuum Electrostatic Models and Their Fast Numerical Solvers.
NSF Research Grant Award, $590,691 ($265,417 for PI at UWMand $325,234 for PI (Prof. L. R. Scott) at the University of Chicago), Division of Mathematical Sciences, National Science Foundation (NSF), 2009 – 2012. Project title: Collaborative Research: Mathematical Studies and Refinements of a Reduced Ion Channel Model and a Nonlocal Dielectric Model.
Winner of the UWM 2006 Research Growth Initiative, $2,000, UWM, 2006.
NIH/NIBIB Award, the co-PI at UWM with budget $60,000, National Institute of Biomedical Imaging and Bioengineering, 2005 – 2008, PI Dr. Daniel A. Beard, Medical College of Wisconsin.
NSF Research Grant Award, $520,479, Division of Mathematical Sciences, 2003 – 2007, CO-PI Dr. Peter Butko. Project title: Efficient Simulation of Protein-Membrane Interactions by Implicit Solvent Algorithms.
Graduate School Research Committee Award, $15,000, University of Wisconsin-Milwaukee (UWM), 2003 – 2004.
Initial Research Fund, $50,000, UWM, 2002 – 2004.
Ralph E. Powe Junior Faculty Enhancement Award, $10,000, Oak Ridge Associated Universities, 2001 – 2002.
Summer Faculty Research Award, $8,000, University of Southern Mississippi (USM), 2001.
Aubrey Keith Lucas and Ella Ginn Lucas Endowment for Faculty Excellence Award, $5,000, USM, 2001.
Summer Research Fellow, Courant Institute, 2000.
Initial Research Fund, $19,600, USM, 1999 – 2002.
Postdoctoral Fellow, Courant Institute and Howard Hughes Medical Institute, 1/1996 – 8/1999.