Hafdís Guðjónsdóttir is assistant professor of Education and director of the Division of Developmental Education at the Iceland University of Education (IUE). She worked for 20 years as a general classroom teacher and special educator in elementary and high schools. Her focus is on inclusion, curriculum development, differentiated learning, teaching mixed-ability classes, cooperative learning, authentic assessment, mathematics for all students, teacher professionalism, school change, and collaboration with families. She currently consults on inclusion with educators in Latvia and on preparing distance education courses and teacher exchange with Norwegian educators. Current research and writing projects include mathematics for all learners and self-study of framing professional discourse with teachers. She has presented her work at local, regional, and international conferences. Guðjónsdóttir can be reached at Iceland University of Education, Stakkahlid, 105 Reykjavik, Iceland; phone: 011-354-563-3800; fax: 011-354-563-3833; e-mail: hafdisg@khi.is.