Bret Taylor’s Sierra Buys Yc-backed Ai Startup Fragment

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In Brief

Posted:

2:00 PM PDT · April 23, 2026

Co-CEO of Salesforce, Bret Taylor, speaks astatine nan Vivatech show successful Paris, France, June 15, 2022. (AP Photo/Thibault Camus)Image Credits:Thibault Camus / AP Photo
  • Dominic-Madori Davis

Sierra, nan customer work supplier startup founded by Bret Taylor, announced connected Thursday that it has acquired nan YC-backed French startup Fragment, which helps businesses merge AI into workflows. 

This is Sierra’s 3rd nationalist acquisition. It antecedently bough Japan-based endeavor AI solutions institution Opera Tech (which it acquired successful precocious March) and sound supplier institution Receptive AI (which it besides announced it acquired successful precocious March). Fragment co-founders Olivier Moindrot and Guillaume Genthail will beryllium joining nan Sierra team. 

In a blog post, Taylor and his co-founder, Clay Bavor, wrote that Moindrot and Genthail will bring “valuable strength” to Sierra’s “agent improvement efforts successful France.” Terms of nan woody were not announced. Pitchbook estimates that Fragment raised astir $2 cardinal done its seed round.

Taylor, who besides serves arsenic OpenAI’s president of nan board, co-founded Sierra alongside Google alum Bavor aft stepping down arsenic co-CEO of Salesforce successful early 2023. The startup claims Casper, Clear, and Brex arsenic customers, and has raised much than $630 cardinal successful backing to date, from investors including Sequoia and Benchmark, giving it a $10 cardinal valuation. 

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