Sahar was born in Israel to two refugees from Iran, and grew up in Rochester, New York. During a four year stint at Facebook, he worked on the civic integrity team, which protected elections and deepened civic engagement worldwide. Before that, he ran the data for fundraising at Wikipedia, and founded two prosocial startups.

Since then, Sahar became a fellow (now affiliate) at the Berkman Klein Center for Internet & Society at Harvard University. He's a member of the advisory committee of the Louis D. Brandeis Legacy Fund for Social Justice, a StartingBloc fellow, and a Roddenbery Fellow.

Sahar is the co-founder and Executive Director of the Integrity Institute. He lives in Brooklyn, NY with his beloved.