Bret TaylorBret is Co-Founder of Sierra. Most recently, he served as Co-CEO of Salesforce. Prior to Salesforce, Bret founded Quip and was CTO of Facebook. He started his career at Google, where he co-created Google Maps. Bret serves on the board of OpenAI.
Introducing Voice PersonasWhat an agent does and how it expresses itself are two different things. Today, we’re launching Voice Personas so you can design both.2026年8月7日
The next Horizon in agentsHorizon agents orchestrate outbound and inbound interactions over days or weeks — not just single conversations. A context engine and long-horizon planning turn every interaction into a compounding advantage, so your agents get smarter as your customer relationships deepen. It's Sierra's outcomes-based model at scale: you pay for results, not tokens.2026年7月16日
Certified FedRAMP® HighWe're excited to share that Sierra has been certified FedRAMP® High — the standard for cloud companies working with U.S. federal agencies.2026年6月10日
Better customer experiences. Built on SierraWe’re raising $950 million from new and existing investors, at a valuation of over $15 billion.2026年5月4日
Sierra acquires Fragment in FranceWe are excited to announce the acquisition of Paris-based Fragment, which helps businesses scale their operations using AI, freeing up employees to focus on higher value work. 2026年4月23日
Eric Eyken-Sluyters joins Sierra as President of Field OperationsWe are excited to announce that Eric Eyken-Sluyters will be joining Sierra to lead our global Sales, Sales Engineering, and Partnerships teams.2026年4月1日
Sierra、日本発のAI企業「OPERA TECH」を買収本日、Sierraは東京を拠点とするエンタープライズAI企業、株式会社OPERA TECHを買収したことを発表いたします。2026年3月27日
Agents as a ServiceSierra is reimagining software for the agent era—where you simply describe the outcome, and intelligent agents build, execute, and continuously improve the work for you. Meet Ghostwriter, the agent that creates and optimizes other agents, turning your ideas into production-ready customer experiences without clicks, code, or complexity.2026年3月25日
Year two in reviewSierra is heading into year three with over $150M in ARR, powered by rapid adoption from some of the world’s largest companies. The growth reflects a simple idea: when AI is built around real jobs to be done (not experiments), even the biggest enterprises can see meaningful impact fast.2026年2月6日
Sierra and Stellarus: Advancing a new model for AI-powered healthcare member experienceSierra is partnering with Stellarus to help health plans like Blue Shield of California deploy AI agents.2026年1月12日
Sierra hits $100M ARR milestone in 7 quartersSierra just hit $100M in ARR — seven quarters after we launched in February 2024. That’s a heck of a lot quicker than we expected, and makes Sierra one of the fastest-growing enterprise software companies in history. 2025年11月21日
Change agents: SafeliteHow Safelite is transforming auto glass services for customers and insurance partners.2025年11月18日
Sierra Agent OS 2.0: from answers to memory and actionAt Sierra Summit, we unveiled the future of AI agents: a single agent that works across every channel, learns from every interaction, and builds real customer relationships. With eight new products, including Agent Studio 2.0 and the Agent Data Platform, Sierra is turning the promise of AI-powered customer experience into reality.2025年11月5日
There's an agent for that, and it runs on Sierra Today, we’re announcing that we’ve raised $350M additional capital at a valuation of $10B, led by Greenoaks, which is doubling down on Sierra.2025年9月4日
Calling new grads: APX year 2Are you a college senior or recent graduate? If you’re driven to turn AI theory into practice, make an impact, and learn from some of the best in our industry, we’d love to build with you.2025年9月2日
Serving customer experience and engineering teams—all from one platformSierra’s Agent OS is the only platform that supports both no code and programmatic agent development. Our unique approach enables companies to mix and match—choosing the right approach for their business needs, and scaling their agent development as those needs evolve. 2025年5月21日
Sierra expands to New YorkWe’re excited to share that Sierra is opening a New York office, and we’re hiring across agent development and sales.2025年5月7日
Change agents: MintedSince we first started working together last year, AI has become central to Minted’s long-term innovation strategy—with information from AI conversations helping to inform their marketing, engineering, and product teams, as well as solving real customer needs with care and creativity.2025年4月24日
Sierra acquires Receptive AIWe want to ensure that Sierra has the best voice capabilities, and it’s why we’re excited to have acquired Receptive AI. Their voice technology is already integrated into Sierra, enabling companies to build AI agents once and deploy them across any channel. 2025年3月26日
Announcing the Sierra APX programThe APX program is an 18-month rotational program that gives new graduates in computer science or a related field the opportunity to work closely with our customers, building AI agents as both an Agent Engineer and an Agent Product Manager.2024年11月12日
Sierra speaksVoice is here. Sierra's AI agents can now engage consumers with rich, natural conversations over the phone—no wait times, no frustration. Learn how this new capability is reshaping the future of customer service. 2024年10月9日
The Agent Development Life CycleAn autonomous AI agent is a new type of software that requires a new approach to development. Sierra has developed a novel, integrated approach to developing agents, from development to testing and release management. We call this the Agent Development Life Cycle.2024年6月3日
The Guide to AI AgentsAI agents are autonomous software systems that can reason, make decisions, and pursue goals with creativity and flexibility. They’ll soon be everywhere, helping consumers, employees, and businesses alike.2024年5月23日
