What is the significance of Sierra's acquisition of OPERA TECH in 2024?

Sierra's acquisition made OPERA TECH a wholly-owned subsidiary, strengthening its global CX and AI capabilities.

Which company did Bret Taylor co-found before joining Sierra in 2023?

Bret Taylor co-founded OpenAI, where he serves as Chairman, prior to co-founding Sierra.

Where is Sierra headquartered as of 2024 after acquiring OPERA TECH?

Sierra is headquartered in San Francisco, US, as stated in the announcement of the OPERA TECH acquisition.

What role does OPERA TECH play in Sierra's AI contact center strategy after 2024?

OPERA TECH continues to provide AI-powered contact center solutions under Sierra's global CX expansion plan.

How does Sierra's acquisition of OPERA TECH impact its presence in Japan as of 2024?

The acquisition strengthens Sierra's market position in Japan through OPERA TECH's established AI contact center operations.

Global Leader in CX x AI, Sierra (Headquartered in San Francisco, US), Makes OPERA TECH a Wholly-Owned Subsidiary

Published Mar 30, 2026 6:00 PM ・ Updated Jun 14, 2026 2:38 PM ・ 3 min read ・ Source: PR TIMES

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.

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...

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Source: PR TIMES
Category: Partnership
Organizations: Sierra Technologies, Inc. / OpenAI / Google

Global Leader in CX x AI, Sierra (Headquartered in San Francisco, US), Makes OPERA TECH a Wholly-Owned Subsidiary

⚡ Key Points

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).

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