Nancy Macduff is a volunteer trainer, manager and author who publishes the online newsletter Volunteer Today.  She’s based in Walla Walla, Wash.

Roger Nozaki is associate dean of the college and director of the Swearer Center for Public Service at Brown University in Providence, R.I. The center develops programs to strengthen leadership skills and provide direct service; connect community-based work with learning; and build partnerships with local, national and international communities.

The Points of Light Foundation & Volunteer Center National Network mobilizes millions of volunteers to help solve social problems in thousands of communities. Contact Leona Hiraoka, vice president of communications.

Dr. Harold Koenig is a professor of psychiatry and medicine at Duke University’s Center for the Study of Religion/Spirituality and Health. He wrote the white paper for the Department of Health and Human Services on faith-based responses to natural disasters and terrorism.

James M. Ferris is director of the Center on Philanthropy and Public Policy at the University of Southern California in Los Angeles. The center provides research on philanthropy, volunteerism and the nonprofit sector.

Marcy Fink Campos is director of the Center for Community Engagement and Service at American University in Washington, D.C. The center supports student volunteerism that ranges from structured one-day projects to multi-year initiatives that lead to the development of independent nonprofit organizations.

Sarah Jane Rehnborg is interim director of the RGK Center for Philanthropy and Community Service at the LBJ School of Public Affairs at the University of Texas at Austin. The center seeks to build a more caring society through initiatives in philanthropy and volunteerism.

Pamela J. Sybert is director of the Educational Consortium for Volunteerism at the University of North Texas in Denton. The consortium’s mission is to enhance professional volunteer management and to foster more effective volunteerism through university support.

Read “Companies That Care,” a Forbes magazine article about companies that encourage volunteerism and philanthropy among their employees.