Global Leader in CX x AI, Sierra (Headquartered in San Francisco, US), Makes OPERA TECH a Wholly-Owned Subsidiary
OPERA TECH, a Japanese AI contact center provider, has been acquired by Sierra, a US-based AI agent company co-founded by OpenAI Chairman Bret Taylor.
📋 Article Processing Timeline
- 📰 Published: March 30, 2026 at 18:00
- 🔍 Collected: March 30, 2026 at 22:56 (4h 56m after Published)
- 🤖 AI Analyzed: April 22, 2026 at 07:28 (536h 32m after Collected)
Today, OPERA TECH Co., Ltd. (Headquarters: Minato-ku, Tokyo, Representative Director and President: Keita Morikawa, hereinafter "the Company"), which provides AI contact center solutions for large enterprises, announces that it will become a wholly-owned subsidiary following its acquisition by Sierra Technologies, Inc. (hereinafter "Sierra"), based in San Francisco, USA.
## About Sierra
Sierra is a company that provides software for enterprises to improve "Customer Experience (CX)" utilizing AI agents, co-founded in 2023 by Bret Taylor (Chairman of the Board at OpenAI) and Clay Bavor (formerly of Google).
- Bret Taylor: After co-developing Google Maps at Google, he served as CTO of Facebook, Chairman of the Board of Twitter, and Co-CEO of Salesforce. He is currently the Chairman of the Board of Directors at OpenAI.
- Clay Bavor: Spent 18 years at Google, overseeing Google Workspace, Google Labs, and the AR/VR divisions. Led the launch of Daydream, Starline, and Google Lens.
Sierra provides a customizable AI agent building platform for large enterprises, evolving customer service operations that previously relied on manual labor into a scalable software model. This allows companies to achieve cost reductions while enabling operators to focus on higher value-added tasks.
- Revenue Track Record: Reached $150 million (approx. 21 billion yen) in Annual Recurring Revenue (ARR) within two years of establishment.
- Fundraising: Raised a total of 635 million...
## About Sierra
Sierra is a company that provides software for enterprises to improve "Customer Experience (CX)" utilizing AI agents, co-founded in 2023 by Bret Taylor (Chairman of the Board at OpenAI) and Clay Bavor (formerly of Google).
- Bret Taylor: After co-developing Google Maps at Google, he served as CTO of Facebook, Chairman of the Board of Twitter, and Co-CEO of Salesforce. He is currently the Chairman of the Board of Directors at OpenAI.
- Clay Bavor: Spent 18 years at Google, overseeing Google Workspace, Google Labs, and the AR/VR divisions. Led the launch of Daydream, Starline, and Google Lens.
Sierra provides a customizable AI agent building platform for large enterprises, evolving customer service operations that previously relied on manual labor into a scalable software model. This allows companies to achieve cost reductions while enabling operators to focus on higher value-added tasks.
- Revenue Track Record: Reached $150 million (approx. 21 billion yen) in Annual Recurring Revenue (ARR) within two years of establishment.
- Fundraising: Raised a total of 635 million...