ARNOVA
The Association for Research on Nonprofit Organizations and Voluntary Action is an international organization whose members include scholars and nonprofit leaders fostering research on voluntary action, nonprofit organizations, philanthropy and civil society.

The Community Leadership Association
The Community Leadership Association is dedicated to nurturing leadership in communities throughout the United States and internationally.

Corporation for National and Community Service
The Corporation for National and Community Service connects Americans of all ages and backgrounds with opportunities to give back to their communities and their nation through voluntary service.

The Gilbert Center
The Gilbert Center is a virtual organization whose mission is to support and empower the people and organizations who are changing the world for the better. One of their notable projects is Nonprofit Online News.

Greenleaf Center for Servant-Leadership
The Greenleaf Center is an international, not-for-profit institution whose goal is to help people understand the principles and practices of servant-leadership.

Leader to Leader Institute
By providing educational opportunities and resources, the Leader to Leader Institute furthers its mission to lead social sector organizations toward excellence in performance by providing educational opportunities and resources to leaders.

Pew Partnership
The Pew Partnership is a civic research organization whose mission is to identify and document promising solutions crucial to strong communities.