In recent years, considerable attention has focused on professional orienta
tions of managers in public and nonprofit organizations, especially with re
gard to ethics. This article reports on a comparative survey among top mana
gers in local government, social service organizations, and museums. Knowle
dge of comparative, professional orientations is also relevant to many publ
ic administration programs that increasingly offer nonprofit management "tr
acks" or electives to students. This study finds that whereas levels of pro
fessionalism among public and nonprofit managers are similar public and non
profit organizations experience different conditions that affect it. This a
rticle also reports on the use of management of change strategies in public
and nonprofit organizations. On balance, many similarities are found betwe
en public and nonprofit organizations.