Jack Altman

Jack Altman is a highly active and influential angel investor based in San Francisco, widely recognized for his role as the founder and CEO of Lattice, a leading people management platform. His investment philosophy is deeply rooted in his operational experience, focusing on companies that address real-world problems, particularly within the B2B SaaS, future of work, HR technology, and fintech sectors. Altman leverages his insights from building and scaling Lattice, which was valued at over $3 billion in its last funding round, to identify promising early-stage startups.

As an operator-angel, Altman is known for providing more than just capital; he offers strategic guidance, mentorship, and access to his extensive network. He typically invests in pre-seed and seed-stage rounds, often participating alongside prominent venture capital firms. His portfolio includes a diverse array of successful companies such as Ramp, Mercury, Notion, Brex, Deel, and Vanta, demonstrating a keen eye for innovative solutions that disrupt traditional industries or enhance business operations.

Altman's investment activity is substantial, with Crunchbase listing over 80 investments to date. He is particularly drawn to founders with strong product vision and a deep understanding of their target markets. His involvement often signals strong validation for a nascent company, attracting further investment and talent. He looks for scalable business models and teams capable of executing ambitious visions.

His approach emphasizes long-term partnerships and a hands-on, supportive role for the founders he backs. This operator-first mentality distinguishes him in the angel investment landscape, making him a sought-after investor for startups aiming to build enduring businesses in the enterprise software and financial technology spaces.