Dennis Culhane is a professor of social welfare policy at the University of Pennsylvania where he studies homelessness and housing policy.

Scott Ballenger is founder of the Trial Acceleration Institute in Spring House, Pa., which assists stakeholders in speeding up clinical trials.

Daniel Aleshire directs the Association of Theological Schools, which is based in Pittsburgh, Pa. The association has 251 member schools with 80,140 students total, of whom 64 percent are men and 36 percent are women. The ATS posts a number of tables on seminary enrollment.

William H. Curtis is president of the Hampton University Ministers’ Conference, the oldest nondenominational African-American ministers conference in the country. He is senior pastor of 7,500-member Mount Ararat Baptist Church in Pittsburgh, Pa.

Dr. Ezekiel J. Emanuel is the Diane Levy and Robert M. Levy University Professor in the department of medical ethics and health policy at the University of Pennsylvania.

The Society for Clinical Trials is a unique group of representatives from government, academia, industry, for-profit and non-profit sectors that share is a common desire to learn, while advancing the field of clinical research. Contact Elizabeth Franks.

Mark Pauly is the Bendheim Professor of health care management at the Wharton School at the University of Pennsylvania in Philadelphia. He is an expert on medical economics, health policy and health insurance.

Harold Dean Trulear, senior pastor of Mount Pleasant Baptist Church in Twin Oaks, Pa., is an expert on religion and social policy. He is associate professor of religious education at Howard University and is ordained in both the Progressive National Baptist Convention and American Baptist Churches in the USA.

The Rev. William H. Gray III is pastor of Bright Hope Baptist Church in Philadelphia. He was formerly a former U.S. congressman and president of the United Negro College Fund.