Jack Altman
General Partner·Benchmark
Jack Altman is a General Partner at Benchmark and a former operator. He co-founded Lattice, an HR software company, and later transitioned into venture investing through Alt Capital. Public reporting says he joined Benchmark in February 2026. His investing activity before Benchmark centered on AI and enterprise software, and public sources associate him with companies including Owner.com, Legora, Figma, Rippling, Flexport, Finch, Durable, and Monaco. His operating background at Lattice may make him especially relevant for founders building business software, HR technology, and AI-native enterprise products.
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