Bret Taylor(@btaylor):I’m excited to announce that Sierra has acquired Opera Tech in Japan. Opera’s co-founders, Keita Morikawa and Kiyo Kunii, started the company with the simple idea that AI could help businesses deliver high-quality customer experiences at scale. We’re so excited to have them join us to lead Sierra in Japan.

Bret Taylor

@btaylor

Co-Founder @SierraPlatform. Board @OpenAI.

Joined July 2007

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Bret Taylor@btaylor

2026.03.27 21:22

I’m excited to announce that Sierra has acquired Opera Tech in Japan. Opera’s co-founders, Keita Morikawa and Kiyo Kunii, started the company with the simple idea that AI could help businesses deliver high-quality customer experiences at scale. We’re so excited to have them join us to lead Sierra in Japan.