SNR Ventures is a US-based early-stage venture firm founded by Kevin Mahaffey and Amit Gupta, both operators with deep ties to Y Combinator and cybersecurity unicorn Lookout. The firm backs technical founders building productivity-enhancing companies across software automation, robotics, AI, and biology, investing from pre-seed through growth stages. SNR describes itself as "principles-driven builders" focused on being first believers in ambitious founders, equity-efficient execution, and long-term partnerships. Kevin Mahaffey co-founded Lookout and became a YC part-time partner; Amit Gupta held leadership roles at Qualcomm, Lookout, and Benchling and advised YC Continuity. Portfolio companies include Lattice, People.ai, Airtable, Benchling, and Sublime Security.

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