
Sierra is the conversational AI platform for businesses. We help companies elevate their customer experience with AI.

Sierra is the conversational AI platform for businesses. We help companies elevate their customer experience with AI.
Company: Sierra — conversational AI platform for enterprise customer experience
Founders: Bret Taylor and Clay Bavor
Recent funding: $950M round (May 2026) led by Tiger Global and GV; post-money valuation reported above $15B
Product focus: Agent OS (Agent Studio, Ghostwriter) and multichannel AI agents for chat, voice, email, SMS, WhatsApp, ChatGPT
Customer experience automation and conversational AI for enterprises
Software Development
110000000
Reported earlier financing of roughly $110M in 2024
350000000
Round reported Sep 4, 2025 valuing company at about $10B
950000000
Round reported May 4, 2026, reported post-money valuation above $15B
“Raised large strategic rounds with participation from top-tier investors (Tiger Global, GV, Greenoaks, Sequoia, Benchmark)”
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About us
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Our values
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We want our benefits to reflect our values and offer the following to full-time employees:
These benefits are further detailed in Sierra's policies and are subject to change at any time, consistent with the terms of any applicable compensation or benefits plans. Eligible full-time employees can participate in Sierra's equity plans subject to the terms of the applicable plans and policies.
Be you, with us
We're working to bring the transformative power of AI to every organization in the world. To do so, it is important to us that the diversity of our employees represents the diversity of our customers. We believe that our work and culture are better when we encourage, support, and respect different skills and experiences represented within our team. We encourage you to apply even if your experience doesn't precisely match the job description. We strive to evaluate all applicants consistently without regard to race, color, religion, gender, national origin, age, disability, veteran status, pregnancy, gender expression or identity, sexual orientation, citizenship, or any other legally protected class.
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