Thomas Büttner
He joined the UN Population Division in 1992 and has worked on a range of population issues including mortality, migration, and population estimates. Prior to his assignment with the Department of Social and Economic Affairs, he provided consulting services on population affairs to the Economic Commission for Europe in Geneva, and was head of a research
group on demographic forecasting at the Academy of Sciences of Berlin. Born in the
German Democratic Republic, Dr. Büttner was a research scholar at IIASA from 1988 to
1991. His research focus is aging, mortality, population estimates and projections, and
demographic software development.