Statistical process control
Time series analysis and forecasting
Measurement uncertainty analysis
Member of U.S. Technical Advisory Group (TAG) to ISO TC 69 for Applications of Statistical Methods. U.S. Lead Delegate for SC6 - Measurement Methods and Results.
2013 R&D 100 Award for Developing a Quantitative Hybrid Metrology System
2013 NIST ITL Outstanding Authorship Award for Best Standard Document
2004 Department of Commerce Silver Medal Award for Scientific and Engineering Achievements
2003 Department of Commerce Silver Medal Award for Scientific and Engineering Achievements
2000 Federal Laboratory Consortium (FLC) Award for Excellence in Technology Transfer
1999 Department of Commerce Silver Medal Award for Scientific and Engineering Achievements
1993 Team Excellence Award of Westhollow Research Center, Shell Oil Company
Winkel, P. and Zhang, N. F. (2007) Statistical Development of Quality in Medicine, Wiley