The Rev. Paul Zahl is a former dean of Trinity Episcopal School for Ministry, a seminary in Ambridge, Pa. He opposes the ordination of sexually active gay clergy. Contact through Eerdmans Publishing Co.

The Rev. Sandra L. Strauss, a Presbyterian minister, is director of public advocacy for the Pennsylvania Council of Churches. The council worked to build support for the state’s minimum-wage law, which involved a tiered series of increases.

More Light Presbyterians is a LGBTQ organization which describes itself as “a network of people seeking the full participation of lesbian, gay, bisexual and transgender people of faith in the life, ministry and witness of the Presbyterian Church (USA).” Contact Patrick Evans, executive director.

Laurence Steinberg is a psychology professor at Temple University in Philadelphia. His specialties include the adolescent brain and juvenile justice. With Alex Piquero, Steinberg conducted a survey that showed the public is willing to spend more on rehabilitation than on incarceration for juvenile offenders.

Robert Listenbee is chief of the juvenile unit of the Defender Association of Philadelphia and a member of Pennsylvania’s Interbranch Commission on Juvenile Justice. He is active in the West Oak Lane Church of God.

Robert Schwartz is an attorney and co-founder of the Juvenile Law Center. In February 2010, he wrote an opinion piece for CNN.com against trying juveniles as adults.

The National Center for Juvenile Justice researches topics relating to juvenile justice. Melissa Sickmund is director.

Ronald Cole-Turner is the H. Parker Sharp Professor of Theology and Ethics at Pittsburgh Theological Seminary, author of Transhumanism and Transcendence: Christian Hope in an Age of Technological Advancement and editor of Design and Destiny: Jewish and Christian Perspectives on Human Germline Modification.

Darlene Fozard Weaver is an associate professor of theology at Duquesne University in Pittsburgh Pa. She is head of the school’s new Center for the Catholic Intellectual Tradition. Weaver co-edited The Ethics of Embryo Adoption and the Catholic Tradition: Moral Arguments, Economic Reality and Social Analysis (2008).