The chief technology officer for Microsoft's Azure Core has joined Anthropic.

Marcus Fontoura spent the last year-and-a-half in the role, where he focused on the use of AI for engineering systems and developer productivity, the overall architecture for Azure, and led the Azure Networking team.

– Anthropic

Fontoura previously worked at Microsoft, in a separate eight-year stint, including as a technical fellow and CVP of Azure Compute.

He also spent more than two years as CTO and head of engineering at Brazilian financial services company Stone, and has held roles at Google, IBM, and Yahoo. Fontoura is the author of Human Agency in a Digital World, a self-help book for living and working with AI.