Mayra Arntz is a principal at Building Ventures focusing on early-stage construction tech startups. She previously held roles at Stanley X and HoloBuilder, and is based in San Francisco.
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Send your deckMayra Arntz is a principal at Building Ventures focusing on early-stage construction tech startups. She previously held roles at Stanley X and HoloBuilder, and is based in San Francisco.
Building Ventures has not reported a check size. It invests at seed, series a.
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head of product at HoloBuilder; strategy lead at Stanley X.
Last updated 2026-10-15. Is this you? Ask for a correction.