Founder of Organizing 2.0, a collective of online organizers, non-profit techies and web developers based in New York City. Editor of Repair Labs, a capacity building resource for Jewish nonprofits engaged in community service. Core member of Tech Ops, the internet committee of Occupy Wall Street.

Highlights: Founded the Tel-Aviv nightclub and political salon The Left Bank/Hagada Hasmalit (1991). Co-Founder of the 'Shministim', Israeli refusinik organizations (1987). Amnesty-recognized prisoner of conscience for refusing to serve in the Occupied Territories (1988).Convener, Philly Beyond Oil conference (2006). Co-Founder, Brit Tzedek (Jewish Alliance for Justice & Peace) (2002). Executive Director of Israeli social-environmental nonprofit Green Action (1997-99). Washington DC Director of Friends of the Earth Middle East. (2000-2001). Co-Founder and assistant director of the Palestinian Human Rights Monitoring Group (1996-7). Led two solidarity visits of American Jews to Israel and the West Bank to support peace (2001).

Conferences: Presented at Netroots Nation, Nonprofit Technology Conference (NTEN), NeighborWorks, LaborNotes, Philly BarCamp, RootsCamp, US Social Forum, World Social Forum, LaborTech, Left Forum. Convener of Netroots New York (2011), Occupy Wall Street Unconference (2011), Organizing 2.0 (2009, 2010, 2011) Philly Beyond Oil (2006)

Errata: Graduate and former board member of Reut/Sadaka, Jewish-Arab youth organization. Middle East blogger for Change.org (past). Blogger for Jewschool.com Past president, UMass Radical Student Union. Facilitator at the AFL-CIO's "Next Up" Young Worker Summit.