Biographical notes 1998
David Morganstein is a Vice President of Westat, and Director of its statistical
staff. He is a senior statistician specializing in variance estimation for complex sample designs
and quality improvement using statistical methods. Mr Morganstein has worked with more than 45
organizations, including statistical agencies worlwide on methods for improving quality. He has
taught many courses in quality improvement, including courses at the ASA sponsored Bristol Conference
and the ISI meetings, and in sample survey topics such as sample design and variance estimation.
Mr Morganstein is a graduate of Purdue University in Engineering and the University
of Michigan in Statistics. He is an instructor in the Joint Program for Survey Methods, co-sponsored
by the University of Maryland, the University of Michigan and Westat. He has served on the American
Estatistical Association Board of Directors for seven years and as the ASA’a Treasurer for four of
those years. He is a Fellow of the ASA and a recipient of the ASA Founder’s Award. He is also a member
of the ISI and the International Association of Survey Statisticians.
Johanna Varjonen is Teacher of Home Economics 1971, Master of Science degree
at the University of Helsinki in Household Economics 1987, and ph.D. in Household Economics at
the same place 1991. Her dissertation dealt with "Simultaniety of Activities in
She has worked as a teacher of home economics in high school 1972-1976. After
finishing her master’s studies she has worked as a researcher and a teacher at the University of
Helsinki 1987-1997, where she has taught Consumer related issues and Family resources management.
In 1997 she was hired by Statistics Finland to work for the Eurostat project "Developing a Satellite
Account of Household Production".
Her present affiliation is senior researcher in National Consumer Research Centre
in Helsinki, Finland, where her research topic deals with the changes in food culture of