Departures BISO would like to thank Elaine Lawson for her work with the U.S. National Committees over the years. Elaine relocated to South Carolina with her family last December. A Program Officer with BISO since 2002, and more than 18 years of experience at the National Academies and the Institute of Medicine, Elaine has been a terrific colleague whose presence will be missed. We wish her all the best in her new home. Arrivals We are pleased to welcome Ester Sztein as a Program Officer supporting the U.S. National Committees for the International Unions of Quaternary Research, Geological Sciences, Geodesy and Geophysics, Psychological Sciences, and Mathematics Instruction. Joining BISO’s staff in February 2007, Ester brings wealth of experience as a scientist, international nonprofit officer, and educator. A member and former consultant for the Association for Women in Science (AWIS), she presently serves as the Vice President for Programs for its DC Metropolitan Chapter. In addition to English and Spanish, she is fluent in Italian and Portuguese. She holds a Ph.D. in Plant Biology from the University of Maryland and earned her B.Sc./M.Sc. in Biology from the University of Buenos Aires, Argentina.