Synthesia is an AI video platform for creating studio-style videos with AI avatars and voiceovers, used mostly for L&D, onboarding, compliance training, sales enablement, and internal comms. Mission, in their words: helping people work better by transforming how organizations train, onboard, and upskill employees with AI.

Customers include Heineken, SAP, Zoom, Moody's, and Reuters. The company claims over 1M registered users and adoption inside more than 90% of the Fortune 100.

Founded in 2017 by Victor Riparbelli, Steffen Tjerrild, Matt Niessner, and Lourdes Agapito, with research roots at Stanford, Cambridge, UCL, and TUM. Headquartered in London, backed by Accel, NEA, GV, Kleiner Perkins, and Bessemer.

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