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Sam W. Woolford

Professor, Mathematical Sciences
Ph.D., Purdue University, 1979
M.S., Purdue University, 1975
Sc. B., Brown University, 1973
Office: Morison Hall 376 | 781.891._2086 | swoolford@bentley.edu
Department Phone: 781.891._2702 | Department Fax: 781.891.2457
                       


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Bio

Professor Woolford has more than 20 years of consulting experience using business analytics to help clients solve complex problems, improve performance and enhance their competitive position. He has applied statistical methods and operations research to market research, litigation support, customer economics, operations analysis, performance metrics, modeling and simulation. Prior to joining the faculty at Bentley, Professor Woolford held senior positions at Abt Associates Inc, KPMG LLP and Watson Wyatt Worldwide after serving on the faculty at Worcester Polytechnic Institute.

Teaching Interests

Probability and statistics; Operations research; Applied mathematics

Research Interests

Applied statistics; Stochastic models Performance optimization ; Market research and customer profitability;

Consulting/Practice Interests

Applied statistical analysis and modeling; Statistical modeling in market research; Business analytics

Professional Memberships

American Society for Quality (Senior Member)
American Statistical Association
Institute of Mathematical Statistics
Institute for Operations Research and Management Sciences

Awards and Honors

2013, Distinguished Science Alumni Award, Purdue University School of Science
2012, Faculty Research Grant, Bentley University
2012, Summer Research Grant, Bentley University
2011, Faculty Research Grant, Bentley University
2011, Summer Research Grant, Bentley University
1981, Fulbright Scholar
1978, Sigma Xi research honor society
1973, Phi Kappa Phi all discipline honor society
1973, Tau Beta Pi National Engineering Honor Society

Publications

Journal Articles
Yeoh, P., Eshghi, A., Woolford, S. W., Butaney, G. T. Consumer Response to Service Recovery in Online Shopping. Journal of Services Research, 14 (2). Forthcoming

Woolford, S. W., Moore, C., McMullen, M., Berger, B. (2013). Process, cost and clinical quality: the initial oral contraceptive visit. American Journal of Managed Care, 19 (1), 14-21.

Woolford, S. W., Josephy, N. H. (2013). A note on the asymptotic behavior of a nonlinear system of stochastic difference equations. Advances and Applications in Statistics, 33 (1), 23-35.

Woolford, S. W., Biesecker, B. B., Reeve, B. B., Erby, L. H., Young Adcock, J., Cohen, J. S., Lamb, A., Lewis, K. V., Truitt, M., Turriff, A. (2013). Development and validation of the Psychological Adaptation Scale (PAS): use in six studies of adaptation to a health condition or risk . Patient Education and Counseling, 92 (2), 248-54.

Woolford, S. W., Haughton, D. M., Li, M., Senne, L. P., Skaletsky, M. ., Eshghi, A. (2012). Enrollment management in graduate business programs: predicting student retention. Journal of Institutional Research, 16 (2), 63-79.

Eshghi, A., Haughton, D. M., Legrand, P., Skaletsky, M. ., Woolford, S. W. (2011). Identifying Groups: A Comparison of Methodologies. Journal of Data Science, 9 (2), 271-291.

Josephy, N. H., Predescu, M., Woolford, S. W. (2011). A note on the global behavior of a nonlinear system of difference equations. Australian Journal of Mathematical Analysis and Applications, 8 (1), 1-19.

Woolford, S. W., Wade, C., Shiloh, S., Roberts, J., Hensley Alford, S., Marteau, T., Biesecker, B. (2011). Modeling decisions to undergo genetic testing for susceptability to common health conditions. Psychology and Health.

Josephy, N. H., Predescu, M., Woolford, S. W. (2011). Parameter Estimation in a System of Stochastic Difference Equations. Advances and Applications in Statistics, 24 (1), 49-66.

Moore, C. L., McMullen, M. J., Woolford, S. W., Berger, B. M. (2010). Clinical process variation: effect on quality and unit cost. American Journal of Managed Care, 16 (5), 385-392.

Cleary, R. J., Woolford, S. W. (2010). The business of desire and fear. The American Statistician, 64 (1), 21-22.

Jenkins, J., Woolford, S. W., Stevens, N., Kahn, N., McBride, C. (2010). The adoption of genomic-related innovations by family physicians. Case Studies in Business, Industry and Government Statistics, 3 (2), 70-78.

Predescu, M., Woolford, S. W., , . (2010). On the stability character of a nonlinear system of difference equations. Far East Journal of Applied Mathematics, 49 (1), 1-15.

Haughton, D. M., Legrand, P., Woolford, S. W. (2009). Review of Three Latent Class Cluster Analysis Packages: Latent Gold, poLCA, and MCLUST. The American Statistician, 63 (1), 81-91.

Woolford, S. W. (2009). A quality assessment tool for improvement planning. International Journal of Productivity and Quality Management, 4 (5-6), 644-657.

McBride, C., Puleo, E., Pollak, K. I., Clipp, E. C., Woolford, S. W., Emmons, K. M. (2008). Understanding the role of cancer worry in creating a "teachable moment" for multiple risk factor reduction. Social Science & Medicine, 66 (3), 790-800.

Lee, W. C., Joshi, A. V., Woolford, S. W., Sumner, M., Hadker, N., Pashos, C. L. (2008). Physicians' preferences toward coagulation factor concentrates in the treatment of Haemophilia with inhibitors: a discrete choice experiment. Haemophilia, 14 (3), 454-465.

Deichmann, J. I., Eshghi, A., Haughton, D. M., Woolford, S. W., Sayek, S. (2007). Measuring the International Digital Divide: An Application of Kohonen Self-Organizing Maps. International Journal of Knowledge and Learning, 3 (6), 552-575.

Woolford, S. W., Kosakowski, B., Wasserman, S. (1996). You Are What You Measure. Plan Sponsor (September), 70-71.

Woolford, S. W., Petruccelli, J. D. (1987). On a Class of Threshold AR(k) Processes. Annals of Operations Research, 9, 421-436.

Woolford, S. W. (1986). Limit Distributions for Functionals of Random Partial Sums. Sankya: The Indian Journal of Statistics, 48, 69-85.

Woolford, S. W., Petruccelli, J. D., Chan, K. S., Tong, H. (1985). A Multiple Threshold AR(1) Model. Journal of Applied Probability, 22, 267-279.

Woolford, S. W. (1984). On the Control of a Generalized Storage Model. Journal of Optimization Theory and Applications, 44, 137-157.

Woolford, S. W., Petruccelli, J. D. (1984). A Threshold AR(1) Model. Journal of Applied Probability, 21, 270-286.

Woolford, S. W. (1983). On a generalized finite capacity storage model. Journal of Applied Probability, 20, 663-674.

Woolford, S. W., Puri, P. S. (1981). On a generalized storage model with moment assumptions. Journal of Applied Probability, 18, 473-481.

Other(s)
Woolford, S. W, McNabb, R. (1993). The Quality Process: A Survey on the Effects of Quality Improvement on Employee Issues in Manufacturing Organizations. Manufacturers Alliance for Productivity and Innovation, 36.

Conference Proceedings and Presentations

Woolford, S. W. (2013). "Process, Cost and Clinical Quality: Improving US Healthcare." Presented at the University of Technology Sydney 's UTS Statistics Department Seminar Series, Sydney Australia.

Woolford, S. W. (2013). "The Opportunities for Business Analytics." Presented at the Commonwealth Scientific and Industrial Research Organization (CSIRO)'s CSIRO Computational Informatics and Statistics, North Ryde, New South Wales, Australia.

Woolford, S. W. (2013). "The Opportunities for Business Analytics." Presented at the Statistics Society of Australia's Meeting of the New South Wales Region of the Statistics Society of Australia, Sydney, Australia.

Woolford, S. W. (2013). "Business Analytics and the Opportunity for Applied Statisticians." Presented at the Purdue University Department of Statistics's Department of Statistics Seminar Series, West Lafayette, IN.

Woolford, S. W. (2012). "Asymptotic Behavior of a Stochastic Population Model." Presented at the American Statistical Association's Joint Statistical Meetings, San Diego, CA.

Woolford, S. W. (2011). "Parameter Estimation in a Stochastic Nonlinear System of Difference Equations." Presented at the American Statistical Association's Joint Statistical Meetings, Miami, FL.

Woolford, S. W., Haughton, D. M., Legrand, P., Skaletsky, M. . (2010). "Identifying Groups: A Comparison of Segmentation Methodologies." Presented at the American Statistical Association's 2010 Joint Statistical Meetings, Vancouver, BC.

Woolford, S. W., Cleary, R. J. (2009). Statistics for Business Researchers. Presented at the American Statistical Association's 2009 Joint Statistical Meeting, Washington DC.

Woolford, S. W. (2009). "Academic Consulting Centers Serving Commercial Clients." Presented at the American Statistical Association's 2009 Joint Statistical Meetings, Washington, DC.

Woolford, S. W. (2007). "A Qaulity Assessment Tool for Improvement Planning." Presented at the Mathematics Department's Bentley Seminar, Waltham, MA.

Woolford, S. W. (2007). "A Quality Assessment Tool to Support Improvement Planning." Presented at the American Statistical Association's Quality and Productivity Research Conference, Santa Fe, New Mexico.

Woolford, S. W. (2006). "Latent Class Analysis with Applications to Market Research." Presented at the Quantitative Methods Group's Quantitative Methods , Waltham, MA.

Woolford, S. W., Jamieson, W. (2003). Killing Two Birds with One Stone: Using the Internet to Capture Customer and Competitive Data Simultaneously. Presented at the Frost & Sullivan's Advanced Marketing Research as a Strategic Imperative:6th Annual Executive Summit East, Boston, MA.

Woolford, S. W. (2002). Customer Profitability Management: Linking the Voice of the Customer to financial Results. Presented at the Institute for International Research's 13th Annual Conference on Measuring & Improving Customer Satisfaction, Chicago, IL.

Woolford, S. W., Salter, J. M. (2002). Customer Profitability Management: Data Mining for Dollars. Presented at the Frost & Sullivan's Advanced Marketing Research 5th Annual Executives Summit West, San Antonio, TX.

Woolford, S. W. (2002). Customer Profitability: Linking Marketing, Finance and Strategy to Improve Return on Customer Data. Presented at the Frost & Sullivan's Structuring Competitive Intelligence for Greater Bottom Line Impact, Orlando, FL.

Woolford, S. W. (2000). Tax 2000: Optimizing the Value of the Tax Function. Presented at the Tax Executive Institute's Tax Executive Institute, Detroit, MI.

Woolford, S. W., DeLaney-Woolford, G. (1999). The Balanced scorecard: A Driver for Performace Improvement. Presented at the Institute of industrial Engineers's 11th Annual Quest for Quality and Productivity in Health Services, Washington, DC.

Woolford, S. W. (1999). The Balanced Scorecard: Measuring HR Performance. Presented at the IHRIM's 19th Annual Spring Conferenece, Salt Lake City, Utah.

Woolford, S. W. (1997). "Best Practices in Benefits." Presented at the IHRIM's International Association for Human Resource Information Management, Framingham, MA.

Service

Department Service
Committee Chair for Graduate Curriculum Committee, 2008 - Present
Committee Member for Search Committee, 2011 - 2012

University Service
Committee Member for PhD Council, 2006 - Present
Committee Member for Evening MBA Task Force, 2011 - 2011

Professional Service
Editor (Associate), Journal for Case Studies in Business, Industrial and Government Statistics, 2006 - Present