Anthropic announced on October 7, 2025, that Rahul Patil, formerly Stripe’s chief technology officer, had joined the company as its new CTO. Anthropic said Patil would oversee engineering across product, compute, infrastructure, inference, data science, and security. Co-founder Sam McCandlish, who had held the CTO role, moved to Chief Architect.
Who is Anthropic’s new CTO?
Rahul Patil most recently served as Stripe’s CTO before joining Anthropic, according to Anthropic’s announcement. The company described him as having more than 20 years of experience building and maintaining infrastructure for businesses, and said he previously held senior engineering leadership positions at AWS, Microsoft, and Oracle Cloud Infrastructure. Those career details and the experience figure are Anthropic’s account.
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Patil said, “I’m thrilled to join Anthropic at this pivotal moment in AI development.”
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When did Anthropic announce the appointment?
The dates refer to two different events: TechCrunch reported the appointment on October 2, 2025, while Anthropic published its official announcement on October 7, 2025. TechCrunch’s report on the hire also described Patil as the company’s new CTO.
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What will Patil oversee?
Anthropic said Patil would lead engineering across six areas:
- Product
- Compute
- Infrastructure
- Inference
- Data science
- Security
The company framed the appointment around scaling Claude for enterprise demand. In Anthropic’s October 7 announcement, co-founder and President Daniela Amodei said the company had grown to serve “over 300,000 business customers.” That customer figure is Anthropic’s stated count, not an independently audited measurement.
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What changed for Sam McCandlish?
McCandlish, Anthropic’s co-founder and former CTO, became Chief Architect. Anthropic said he would continue focusing on pretraining and take on research productivity and reinforcement-learning infrastructure.
TechCrunch separately reported that Patil and McCandlish would report to Anthropic president Daniela Amodei, and that the organizational change brought product engineering closer to infrastructure and inference teams. Those structural details are attributed to TechCrunch.
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