Microsoft Azure Core CTO Joins Anthropic
2026-06-18 10:18
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en.Wedoany.com Reported - After serving as Chief Technology Officer of Microsoft Azure Core for a year and a half, Marcus Fontoura has left to join artificial intelligence company Anthropic.

During his tenure at Microsoft, Fontoura was responsible for the application of AI technology in engineering systems and developer productivity, participated in the overall architecture design of Azure, and led the Azure networking team.

Fontoura's work experience at Microsoft spanned eight years, during which he served as a Technical Fellow and Vice President of Azure Compute. Prior to that, he spent over two years as Chief Technology Officer and Head of Engineering at Brazilian financial services company Stone, and also worked at Google, IBM, and Yahoo. Fontoura is the author of "Human Agency in the Digital World," a self-help book exploring coexistence and work with artificial intelligence.

Fontoura stated that throughout his career, from research labs to hyperscale cloud platforms, he has always been inspired by technology's potential to expand human capabilities. In recent years, he has become more convinced that artificial intelligence is one of the most important technological transformations of our time, not replacing humans, but promising to amplify human creativity, learning ability, productivity, and agency on an unprecedented scale. He added that one of the reasons for joining Anthropic is the company's clear commitment to building AI responsibly and ethically, with deep consideration for its long-term societal impact. He was impressed by the team, leadership, technical depth, and the company's focus on issues such as safety, value alignment, and human-centered design.

As a technologist, Fontoura will participate in building the next generation of AI systems. Fontoura is one of Anthropic's recent hires, with other new employees coming from Google, Meta, and Brookfield. The company plans to go public soon, but recently, due to the U.S. government forcing it to prevent foreign citizens from accessing its latest AI model, Anthropic has taken down its Fable model.

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