Bachelor magna cum laude, Concord College, 1970; Master of Science, Virginia Polytechnic Institute and State University, Blacksburg, 1974; Doctor of Philosophy, Virginia Polytechnic Institute and State University, Blacksburg, 1977.
With, Research Triangle (North Carolina) Institute, 1977-1993; senior statistician, Research Triangle (North Carolina) Institute, 1981-1993; department manager, Research Triangle (North Carolina) Institute, 1985-1990; research fellow, National Agricultural Statistics Svc., 1990-1992; senior statistician, Mathematics Policy Research, Inc., Princeton, New Jersey, 1993-1994; senior fellow, since 1994. Adjunct associate professor North Carolina State University, Raleigh, 1989-1990. Member of advisory panel Doctorate Records Project, since 1993.
Fellow American Statistical Association (president North Carolina chapter 1984-1985, county representative 1984-1986, district 5 governor 1986-1988, secretary-treasurer survey research methods section 1986-1988, chair organizing committee for International conference on Establishment Surveys 1991-1995, member commission on energy 1994-1996, president Princeton-Trenton Chapter.1995-1996), International Statistical Institute, International Biometrics Society (regional advisory board 1986-1988), American Association for Public Opinion Research, International Association for Survey Statisticians, Pi Mu Epsilon.