Jon Turow
Jon Turow joined Madrona as a partner in 2022 and moved to a venture partner role in 2026; he is now a member of the technical team at Anthropic. He previously spent more than a decade at AWS, leading product for computer vision AI services such as Amazon Textract and Amazon Rekognition and writing the original plans for AWS IoT and Greengrass. Before Amazon he co-founded a cloud telephony startup.
Axiom Math Raises $200M to Build Scalable Formal Verification for AI-Generated Code, Founder Carina Hong Leads Push
Axiom Math, founded by Carina Hong, raised $200 million to build scalable AI code verification using formal mathematical proofs and tools like Lean to ensure provable correctness of AI-generated code.
Amazon Leo VP Steve Rabuchin Retires; Madrona Partner Jon Turow Joins Anthropic; Meta's Hrvoje Benko Exits Amid Layoffs
Steve Rabuchin retired after over 20 years at Amazon, including leading Project Kuiper, while Jon Turow left Madrona to join Anthropic's technical team. Additionally, Hrvoje Benko departed Meta Reality Labs amid layoffs affecting 331 employees in Washington state.
Madrona Leads $15M Round in Ravenna to Build AI-Native Service Management for Mid-Market Companies
Madrona led a $15M investment in Ravenna, which builds an AI-native service management platform that automates internal operations inside collaboration tools like Slack to replace slow, portal-based workflows for mid-market and growth companies.
By Jon
See all 12Former Madrona VC Investor Joins Anthropic, Retains Venture Partner Role at Madrona
After four years as a venture capital investor at Madrona, the author is transitioning to a new role at Anthropic while maintaining a Venture Partner relationship with Madrona.
Former Madrona VC Investor Joins Anthropic, Maintains Role as Madrona Venture Partner
After four years as a venture capital investor at Madrona, the author is transitioning to a new role at Anthropic while maintaining a Venture Partner position at Madrona.
Madrona Backs Nekuda to Build Payment Rails and Trust Layer for AI Agents’ Autonomous Commerce
Madrona announces its investment in Nekuda, a startup building a dedicated payment and trust infrastructure for AI agents to enable secure, scalable autonomous commerce by handling permissions, payments, and other agent-specific requirements.
Organizations
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Anthropic Technical Staff · current
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Madrona Venture Partner · current
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Substack Newsletter Author · current
Education
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The Wharton School BS, Finance, Strategic Management
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Northwestern University - Kellogg School of Management MBA, Strategy, Entrepreneurship
