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.
Tech Veterans Joseph Sirosh and Oren Etzioni Advocate Daily AI Experimentation at PAN-IIT Seattle 2024, Spotlighting Generative AI’s Transformative Impact
Tech veterans Joseph Sirosh and Oren Etzioni urge daily experimentation and learning with AI to stay current amid a pivotal shift driven by generative AI innovations. Sirosh's new startup, CreatorsAGI, focuses on empowering creators to build conversational AI agents, highlighting AI's transformative potential despite existing limitations.
Madrona, Point72 and Madrona Venture Labs make day-one investment in Tektonic to build GenAI agents for sales and revenue operations
Madrona announces a day-one investment in Tektonic alongside Point72 and Madrona Venture Labs; Tektonic builds GenAI agents to automate business operations, initially targeting sales and revenue tasks like quoting, renewals, services, and data quality.
Seattle Startup NoxuData Wins $250K from Madrona Venture Labs to Expand AI Data Platform for CPG Companies
Seattle-based startup NoxuData, which provides an AI platform to help consumer packaged goods companies analyze fragmented data, won $250,000 in pre-seed funding after winning the Madrona Venture Labs competition. Led by co-founders Dae Kim and David Lee, the company offers a conversational dashboard that delivers context-driven insights beyond financial metrics to improve decision-making.
MotherDuck’s Jordan Tigani and DuckDB’s Hannes Mühleisen describe partnering to commercialize DuckDB into MotherDuck
This article presents a conversation with DuckDB creator Hannes Mühleisen and MotherDuck founder Jordan Tigani about their partnership that commercializes the DuckDB open-source project into a serverless analytics company, MotherDuck. It traces their meeting, collaboration strategy, and how they balance building a scalable business while supporting the open-source community.
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
