Rabbi Ben Greenberg is Planning Executive of SYNERGY Manhattan at UJA-Federation of New York. Previously Rabbi Greenberg was a community organizer in Chicago, the Orthodox Jewish Chaplain of Harvard University and the Orthodox Rabbi of Harvard Hillel and also served as Senior Rabbi of an Orthodox Union affiliated congregation in Colorado. While at Harvard he was a member of the Executive Committee of the Harvard Chaplains and was appointed to an advisory committee by University President Drew Faust. During his time in Colorado, Rabbi Greenberg was a member of the Board of Directors of Hillel of Colorado and of the Executive Committee of the Rocky Mountain Rabbinical Council.

Rabbi Greenberg was a recipient of a CLAL: Rabbis Without Borders Fellowship in 2010 and currently serves on the Board of Directors of the International Rabbinic Fellowship and is a member of the Chicago Board of Rabbis. He is the author of Covenantal Promise and Destiny: Wisdom for Life (Lulu, 2010) and editor of Twitter Torah (Lulu, 2009) and has written for The Boston Globe, Denver Post, First Things and the journal Conversations, as well as other print and online media and is a regular blogger for both The Huffington Post and

Rabbi Greenberg lives with his family in New York City.