Current projects

- NSF - Computational Mathematics, Mathematical methods for optimal polynomial recovery of high-dimensional systems from sparse and noisy data, $105,000, 2016-2019, Principal investigator.

- DOE SciDac - Advanced Scientific Computing Research, Simulation Center for Runaway Electron Avoidance and Mitigation (SCREAM2), $840,000 for ORNL, 2018-2022, Principal investigator.
- DOE - Advanced Scientific Computing Research, Advances in Experimental Design, Optimal Control, & Learning for Uncertain Complex Systems(AEOLUS), $3,000,000 for ORNL, 2018-2022, Senior investigator.
- ORNL - Laboratory Directed Research & Development, ORNL Artificial intelligence initiative, $25,000,000, 2018-2023, Co-Principal Investigator.

- DOE - Advanced Scientific Computing Research, Simulation Center for Runaway Electron Avoidance and Mitigation (SCREAM1), $250,000 for ORNL, 2016-2018, Principal investigator.
- DOD - Defense Advanced Research Projects Agency (DARPA), Foundations of rigorous mathematics for uncertainty quantification of large multiscale systems at the extreme scale, $3,500,000, 2015-2018, Co-Principal investigator.
- ORNL - Laboratory Directed Research & Development, Theory of neutron scattering in strongly correlated and disordered materials, $850,000 for ORNL, 2014-2017, Senior investigator.
- ORNL - Laboratory Directed Research & Development, Novel numerical methods for uncertainty quantification of multiscale materials, $700,000 for ORNL, 2015-2017, Senior Investigator.
- DOE - Advanced Scientific Computing Research, Environment for quantifying uncertainty: integrated and optimized at the extreme-scale, $2,100,000 for ORNL, 2013-2017, Senior investigator.
- DOE - Advanced Scientific Computing Research, Accurate quantified mathematical methods for neutron science, $2,000,000 for ORNL, 2014-2016, Senior investigator.
- ORNL - Laboratory Directed Research & Development, A novel mathematical and computational paradigm for
nonlinear filtering problems, $200,000 for ORNL, 2014-2015, Principal investigator.

- DOE - Advanced Scientific Computing Research, Householder Fellowship, $200,000 for ORNL, 2012-2014, Principal investigator.
- ORNL - Laboratory Directed Research & Development, A novel uncertainty quantification paradigm for enabling massively scalable predictions of complex stochastic simulations, $380,000 for ORNL, 2013-2014, Senior investigator.
- WFO: Procter & Gamble LLC, High-performance MCMC approximations for Bayesian non-parametric models of consumer behavior, $258,244 for ORNL, 2013-2014, Senior investigator.