- Consultant Central Statistical Office, Warsaw, 2003—2004. Assistant professor Warsaw Agricultural University, since 2004. Visiting assistant professor University British Columbia, Vancouver, 2006.
Associate editor International Journal Applied Mathematics & Statistics, India, 2005-2006. Associate editor: Model Assisted Statistics and Applications, 2006. Associate editor Statistics in Transition, Poland, 2006, managing editor Communications in Biometry and Crop Science, 2006-2007, co-editor-in-chief Model Assisted Statistics and Applications, Netherlands, 2007.
Contributor articles to professional journals.