Bret Taylor

Sierra Acquires YC-Backed French AI Startup Fragment

Sierra, the customer service agent startup founded by Bret Taylor, has acquired YC-backed French startup Fragment, which helps businesses integrate AI into workflows. This is Sierra's third public acquisition, following purchases of Japan-based Opera Tech and voice agent company Receptive AI in late March. Fragment co-founders Olivier Moindrot and Guillaume Genthail will join Sierra. Terms of the deal were not disclosed. Pitchbook estimates Fragment raised around $2 million through its seed round.