Los Alamos National Laboratory

Los Alamos National Laboratory

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James R. Gattiker

Phone (505) 667-2091


  • Computer and Computational Sciences
  • Computational Co-Design
  • Data-Intensive computing
  • Heterogeneous Architectures
  • Machine learning,
  • Data mining
  • Information Science and Technology
  • Machine Learning


Data Science; Verification, Validation, and Uncertainty Quantification; Computational Statistics


Ph.D. Computer Engineering, Binghamton University

B.S., M.S. Electrical Engineering, Penn State University


LANL Positions

Scientist in groups including: Computer and Information Sciences; Nonproliferation Safeguards and Security; Nuclear Weapons; Statistical Sciences.


Professional Societies




[Gattiker, JR * Lawrence, E * Higdon, D], "Analysis of multi-domain complex simulation studies", Lecture Notes in Computer Science, Vol.3982, p.1153-1162, 2006.

[Burr, T. * Gattiker, J.R. * Myers, K. * Tompkins, G.], "Alarm criteria in radiation portal monitoring", Applied Radiation and Isotopes, Vol.65, iss.5, p.569-580, May 2007.

[Higdon, D * Gattiker, J * Williams, B * Rightley, M], "Computer model calibration using high-dimensional output", JOURNAL OF THE AMERICAN STATISTICAL ASSOCIATION, Vol.103, iss.482, p.570-583, JUN 2008.

[Gattiker, J.R. * Burr, T.], "Bayesian estimation of the source and suppression effects in vehicle radiation signatures", Journal of Nuclear Materials Management, Vol.37, iss.3, p.14-24, Spring 2009.

[Ma, Po-Lun * Gattiker, James R. * Liu, Xiaohong * Rasch, Philip J.], "A novel approach for determining source-receptor relationships in model simulations: a case study of black carbon transport in northern hemisphere winter", ENVIRONMENTAL RESEARCH LETTERS, Vol.8, iss.2, p.024042, APR-JUN 2013.

[McNeall, D. J. * Challenor, P. G. * Gattiker, J. R. * Stone, E. J.], "The potential of an observational data set for calibration of a computationally expensive computer model", GEOSCIENTIFIC MODEL DEVELOPMENT, Vol.6, iss.5, p.1715-1728, 2013.

[Higdon, Dave * Gattiker, Jim * Lawrence, Earl * Pratola, Matt * Jackson, Charles * Tobis, Michael * Habib, Salman * Heitmann, Katrin * Price, Steve], "Computer Model Calibration Using the Ensemble Kalman Filter", TECHNOMETRICS, Vol.55, iss.4, p.488-500, NOV 2013.

[Pratola, Matthew T. * Chipman, Hugh A. * Gattiker, James R. * Higdon, David M. * McCulloch, Robert * Rust, William N.], "Parallel Bayesian Additive Regression Trees", JOURNAL OF COMPUTATIONAL AND GRAPHICAL STATISTICS, Vol.23, iss.3, p.830-852, SEP 2014.