The International Association of Chiefs of Police is a professional organization of law enforcement personnel that works to confront new challenges in policing and promote member success. Contact Sarah Guy, the manager of legislative and media affairs.

Gene Sager is professor of philosophy at Palomar College in San Marcos, Calif. He wrote a Dec. 7, 2007, essay in Commonweal magazine titled “A Gringo’s Devotion” about his journey from a childhood as an “Anglo Protestant” to his devotion to Our Lady of Guadalupe and eventual conversion to Catholicism.

Jonathan Haidt is a professor of ethical leadership at New York University’s Stern School of Business. His research interests are morality, emotion, religion and politics. He is the author of The Happiness Hypothesis: Finding Modern Truth in Ancient Wisdom and The Righteous Mind: Why Good People Are Divided by Politics and Religion.

Robert C. Roberts is a professor of ethics at Baylor University. He specializes in virtues and emotions and wrote the entry on gratitude in New Dictionary of Christian Ethics & Pastoral Theology.

Yitzchok Breitowitz is the rabbi of the Woodside Synagogue in Silver Spring, Md. He speaks on issues of family law and ethics and has delivered talks on men’s anger and the Torah.

The Vera Institute of Justice works to improve justice services and systems through research and projects. Nicholas Turner is the president and director.

The Southern Poverty Law Center is a civil rights legal advocacy group based in Montgomery, Ala. Email through the website.

Partners Against Hate works to educate young people about hate and hate crimes. It is based in Washington, D.C. Contact 202-452-8310.

The National Coalition of Anti-Violence Programs tracks incidents of violence and harassment against LGBT people. Clarence Patton is acting executive director.