EDGAR H. SCHEIN is the world-renowned expert on organizational culture, credited with founding the field and authoring this, the defining resource on the topic. He is Professor Emeritus of the Massachusetts Institute of Technology (MIT) Sloan School of Management. PETER A. SCHEIN is the co-founder and COO of OCLI.org in Menlo Park, CA. He provides counsel to senior management on organizational development challenges facing private and public sector entities worldwide.