Distinguished Professor of Statistics,
--- Montana State University, 2006-
Professor of Statistics,
--- Montana State University, 2004-present
2008 Fulbright Lecturer Scholarship
--- Location: Thammasat University, Thailand
--- May-October, 2008
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.
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.