• Professor of Statistics
    • Montana State University, 2004-present
  • Honorary Doctorate
    • Thammasat University, Thailand, 2013
  • 2008 Fulbright Lecturer Scholarship
    • Location: Thammasat University, Thailand
    • May-October, 2008
  • Distinguished Professor of Statistics,
    • Montana State University, 2006-
  • Visiting Professor
    • Thammasat University, Thailand 2005-present
  • Visiting Professor
    • Kasetsart University, Thailand 2010-present
  • Visiting Professor
    • Ho Chi Minh City University of Technology, Vietnam 2011
  • Faculty Fellow
    • Pacific Northwest National Laboratory 2004-2006
  • Associate Professor of Statistics
    • Montana State University, 1997-2004
  • Assistant Professor of Statistics
    • Montana State University, 1991-1997
  • Director of Statistical Consulting Center
    • Montana State University, 1991-1993, 2001-2003, 2005-2006
  • Statistical Specialist
    • E.I. Dupont de Nenours Co.
    • Quality Management and Technology Center, 1990-1991.
  • Statistical Intern ,
    • E.I. DuPont de Nemours Co.
    • Quality Management and Technology Center, 1989-1990.
  • Statistical Consultant
    • Statistical Laboratory
    • University of Delaware, 1988-1990.

Professional Service

  • Associate Editor for
    • The American Statistician, 2002-2006
    • Journal of Probability and Statistical Science, 2003-2009
    • Thailand Statistician 2006-present
  • Referee for
    • Technometrics
    • Journal of Quality Technology
    • The American Statistician
    • Journal of Statistical Planning and Inference
    • Communications in Statistics -- Theory and Methods
    • Computational Statistics and Data Analysis
    • Journal of Statistical Computation and Simulation
    • Journal of Probability and Statistical Science
    • IEE Transactions on Quality and Reliability Engineering
    • Statistica Sinica
    • Thailand Statistician
    • Psychological Methods
  • American Statistical Association (ASA)
    • Montana Chapter Representative 1992-1998, 2001-2004.
    • Montana Chapter Secretary/Treasurer 2007-present.