Businessman, venture capitalist in Israeli and American hi-tech, and managing partner of the Aleph venture capital fund. Served on the Board of Directors of Har Etzion Hesder Yeshivah and Chairman of the New Shomer, and serves on the Board of Directors of the Charedi Institute for Policy Studies in Jerusalem. Served in the past as a director for Snunit, a non-profit institution working to embed technologies in Israeli elementary schools and as a member of the Educational Council of the city of Jerusalem. In 2017, he was included among the 25 most successful venture capitalists for Forbes magazine. Eisenberg is the author of four books on the subject of leadership and economics in light of Jewish sources and has published many articles on his blog and on various platforms, including The Marker, the Can broadcasting company, and Hashiloach magazine.