Mike Wallace is Professor of Education at the University of Bath. Louise Poulson is Senior Lecturer in Education at University of Bath.

Contributors′ Description:

Diana Kendall, Faculty of Education, University of Tasmania

Derek Glover, Department of education, University of Keele

Ray Bolam, University of Wales

Rosalind Levacic, Institute of Education, London

Philip Hallinger, Graduate School of Management, Mahidol University, Thailand

Pornkasem Kantamara, Chiang Mai University, Thailand

Chris Turner, University of Wales, Swansea

Sharon Kruse University of Akron, USA

Karen Seashore Louis, University of Minnesota, USA

Stephen Gough, University of Bath

Kenneth Leithwood, OISE, University of Toronto, Canada

Doris Jaunts, Ontario Institute for Studies in Education, University of

Toronto, Canada (same as the first author of her chapter, Ken Leithwood)

Phillip Hallinger Graduate School of Management, Mahidol University, Thailand

Ronald Heck, University of Hawaii at Manna, USA