Joseph Horowitz · AI Infrastructure Founders (2026)

4 founders backed by Joseph Horowitz and building AI Infrastructure, with company, funding, and investor detail. Includes Voyantis and Revefi.

Founders backed by Joseph Horowitz and building AI Infrastructure (4)

Founders backed by Joseph Horowitz and building AI Infrastructure covers 4 founders on Istari Digital, Revefi and Voyantis. The most common sector is AI Infrastructure (4). Members are based in 3 cities, led by Arlington, VA (2), Redmond, WA (1) and Tel Aviv, Israel (1). Every founder below links to a profile with their company, backers, and the filings behind each round.

Founders listed: 4
Companies represented: 3
Top sector: AI Infrastructure (4 founders)
Top location: Arlington, VA (2 founders)
Locations represented: 3

Ido Wiesenberg — Voyantis
Sanjay Agrawal — Revefi
William Roper — Istari Digital
Will Roper — Istari Digital

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