Peter Norlin, Ph.D., currently the Executive Director of the Organization Development Network, has spent 30 years in the field of OD, working first as an internal consultant-leader for USF&G Insurance and Blue Cross Blue Shield of Maryland, and then as an external consultant, managing his own practice, GreenLeaf Associates. As an external consultant, he served a wide variety of customers, in corporate, government, and not-for-profit settings; from two-person partnerships to Fortune 100 companies; and in manufacturing, health care, education, retail, hospitality, legal, financial services, entertainment, and professional services sectors. A graduate of The Johns Hopkins University Masters Degree Program in Applied Behavioral Science/Organization Development, he also has an M.A. and Ph.D. from Northwestern University and a certificate in family therapy from the Center for Study of Human Systems; his teaching experience includes faculty appointments at Vanderbilt University, Johns Hopkins University, and Georgetown University. Based in Ann Arbor, Michigan, he is also a professional member of the NTL Institute.