Areas of Expertise

Nonlinear equations, multilevel methods, large-scale and multi-model optimization, flow in porous media, nano-scale electronics and sensing, radiative and neutron transfer, optimal control, integral equations, partial differential equations.

Research Groups

• Control, Optimization and Modeling
• Numerical Analysis and Scientific Computing

Education

PhD, , Purdue University (1976)

Honors and Awards

• Drexel Professor of Mathematics
• SIAM Fellow, Editor-in-chief
• SIAM J. Optimization (2000-2004)
• SIAM Vice President for Publications (2006-2009)
• Editor-in-chief, SIAM Review (2011 -- 2016)
• SIAM Board of Trustees (2011 -- present, Chair 2012 -- present)