Education

• Postdoctoral Fellow, Courant Institute of Mathematical Sciences, New York University , and Howard Hughes Medical Institute, 1/1996-8/1999. Academic advisor: Dr. Tamar Schlick
• Ph.D. in Applied Mathematics, University of Houston, 1995. Academic advisor: Dr. L. Ridgway Scott
• M.S. in Applied Mathematics, Hunan University, CHINA, 1985
• B.S. in Applied Mathematics, Hunan University, CHINA, 1982

Appointments

• 2010-present   Professor, Dept. of Math. Sciences, University of Wisconsin-Milwaulkee (UWM).
• 2018-present   Adjunct Professor of Biomedical Engineering, Medical College of Wisconsin, Milwaulkee, WI.
• 9/2015 – 12/15/2015   Visiting Professor, Mathematical Biosciences Institute (MBI), Ohio State University, Columbus, Ohio.
• 9/1/2008  – 1/15/2009   Visiting Professor,  Institution for Mathematics and its Applications (IMA), University of Minnesota.
• 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. 
• IMA General Membership Award, Institution for Mathematics and its Applications (IMA),University of Minnesota, 9/1/2008  – 1/15/2009.
• 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.
• First Prize of the Student Paper Competition in the Copper Mountain Conference on Multigrid  Methods,Copper Mountain, Colorado, 1995.
• Teaching/Research Assistant Fellow, University of Houston, 1991 – 1995.