Appointments:

  • Professor of Mathematics, W. A. "Tex" Moncrief, Jr., Endowed Chair No. 4 in Simulation-Based Engineering Sciences, University of Texas at Austin, 2018 - .
  • Professor of Mathematics, University of Oxford, 2017 - 2018.
  • Official Student (i.e. fellow), Christ Church, Oxford, 2017 - 2018 .
  • Visiting Professor of Applied Mathematics, University of Colorado at Boulder, 2017 - .
  • Affiliated Professor, Royal Institute of Technology (KTH), Stockholm, 2017 - .
  • Professor of Applied Mathematics, University of Colorado at Boulder, 2015 - 2017.
  • Associate Professor of Applied Mathematics, University of Colorado at Boulder, 2010 - 2015.
  • Assistant Professor of Applied Mathematics, University of Colorado at Boulder, 2005 - 2010.
  • Gibbs Assistant Professor of Applied Mathematics, Yale University, 2004 - 2005.
  • Gibbs Instructor of Applied Mathematics, Yale University, 2002 - 2004.

    Education:

  • Ph.D. in Computational and Applied Mathematics, University of  Texas at Austin, June 2002. Thesis.
  • Tekn. Lic. in Mathematics, Chalmers University of Technology, Sep. 1998. Thesis.
  • Civ. Ing. in Engineering Physics, Chalmers University of Technology, Dec. 1995. Thesis.

    Other professional activities:

  • Chair of Scientific Steering Committee, MathDataLab, Royal Institute of Technology (KTH), Stockholm, 2017 - .
  • Associate editor of Advances in Computational Mathematics, 2012 - .
  • Associate editor of SIAM Journal on Scientific Computation, 2012 - 2021.
  • Director of Graduate Studies, Department of Applied Mathematics, U Colorado Boulder, 2012 - 2017.

    Awards, recognition, etc:

  • 2021: SIAM fellow.
  • 2021: Keynote speaker at SIAM annual meeting.
  • 2017: SIAM Germund Dahlquist Prize.
  • 2014: Principal lecturer for NSF/CBMS conference on Fast Direct Solvers for Elliptic PDEs.
  • 2008 - 2014: NSF Career award.
  • 2012: Wenner-Gren Foundation Fellowship.
  • 2012: College Scholar Award, Arts and Sciences, CU-Boulder.

    • Principal funding sources (not listing conference awards, scholarships, etc):

  • 2023 - 2026: NSF award "DMS-EPSRC:Certifying Accuracy of Randomized Algorithms in Numerical Linear Algebra". UT component $323k. DMS-2313434.
  • 2021 - 2023: DOE award "Randomized algorithms for accelerating linear algebraic computations". PI. $300k. DE-SC0022251.
  • 2020 - 2023: NSF award "FRG: Collaborative Research: Randomized Algorithms for Solving Linear Systems". PI. $1.37M. UT component $677k DMS-1952735.
  • 2018 - 2022: ONR award "Randomized methods for accelerating linear solvers and matrix factorization algorithms". Sole PI. $824,000, N00014-18-1-2354.
  • 2020 - 2023: NSF award "Collaborative Research: Nonoscillatory Phase Methods for the Variable Coefficient Helmholtz Equation in the High-Frequency Regime". $112k, DMS-2012606.
  • 2018 - 2021: EPSRC award "Randomised Algorithms for Matrix Computations". Sole PI. £331k. EP/R019215/1. (Declined due to relocation.)
  • 2016 - 2019: NSF award " Randomized Algorithms for Matrix Computations". Sole PI. $250,000, DMS-1620472.
  • 2014 - 2017: NSF award "EXTREEMS - QED: Directions in Data Discovery (Data Cubed) in Undergraduate Education''. Co-PI, $590,300, DMS-1407340.
  • 2013 - 2014: DARPA award "Randomized methods for linear algebra and data analysis", sole PI, $188,916, N66001-13-1-4050.
  • 2013 - 2016: NSF award "Scalable and accurate direct solvers for integral equations on surfaces", with Denis Zorin (NYU), U. Colorado component is $219,187, DMS-1320652.
  • 2009 - 2012: NSF award "CDI-Type I: Geometrical Image Processing with Fast Randomized Algorithms", with Francois Meyer, $535 784, #0941476.
  • 2008 - 2013: NSF award "CAREER: Fast Direct Solvers for Differential and Integral Equations", sole PI, $400 000, DMS 0748488.
  • 2006 - 2009: NSF award "Fast direct solvers for boundary value problems", sole PI, $151 600, DMS 0610097.

    • CV: PDF Bio: TXT Headshots: white BG, white BG cropped, library.