James B. Jacobs is director of the Center for Research in Crime and Justice at New York University, where he is also a law professor. He is co-author of Hate Crimes: Criminal Law & Identity Politics.

Jeff Strank of LetMyPeopleGo organizes popular gatherings for Jewish singles in several cities. The annual Christmas Eve ball in New York City attracts more than 3,000 people. Contact through the website.

J.J. Adler directed the 2007 documentary Unattached, about single Orthodox Jews in New York City. Watch the trailer.

May Vanderbilt of San Francisco is a co-author of the Good Girl line of novels, including the 2007 title The Book of Jane, about single Christian women navigating modern life.

Ethan Nichtern is the author of One City: A Declaration of Interdependence (2007), a Buddhist political treatise about, among other things, youth and political activism in a post 9-11 world. He is the founder of the Interdependence Project in New York City.

Scott A. Shay, who is chairman of Signature Bank in New York City, wrote the best seller Getting Our Groove Back: How to Energize American Jewry, in which he recommends that Jewish people reverse the trend of delaying marriage and childbearing.

Esther D. Kustanowitz writes about Jewish life, social media, relationships and dating. She writes the singles column “First Person Singular” for the New York Jewish Week. She is a contributor to many blogs, including Beliefnet’s Idol Chatter, which examines spirituality and popular culture. She is also the senior editor of PresenTense Magazine, a publication centering on Jewish life […]

Elizabeth A. Johnson is a religious sister of the Congregation of St. Joseph and a theologian at Fordham University in the Bronx, N.Y. She is one of the foremost feminist theologians and has written extensively on the Virgin Mary, including the book Truly Our Sister: A Theology of Mary in the Communion of Saints.

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.