Fiona Fung (@Nerdi_Yogi) leads the teams behind Claude Code and Cowork at @AnthropicAI (overseeing all of eng and PM, including @bcherny and @_catwu). Before Anthropic, she spent 11 years at @Microsoft building Visual Studio and TypeScript and then moved to @Meta, where she helped build Meta’s first VR and AR glasses, started Facebook Marketplace (now generating over $100B in GMV annually), and led @Instagram's infrastructure, growth, and safety teams. She’s been an engineer for over 25 years…