I design and build collaborative AI workflows and data journalism projects that help people make better decisions and lead safer lives.

Formerly Deputy Managing Editor at ProPublica, Chief Product Officer at THE CITY, and Knight Entrepreneur in Residence at Newspack. Co-founder of DocumentCloud and Board President of MuckRock.

Read my résumé

Available for freelance and consulting work: AI enablement, data journalism, product and editorial strategy, and 0→1 innovation leadership for news and mission-driven organizations.

See how we can work together, email kleinmatic@gmail.com, or connect on LinkedIn.

Alongside client work I'm building two stealth startup ideas. If you want to hear more, reach out.

• Managed LibreChat Journalism is a team sport; your AI tools should be, too. Secure, collaborative AI workspaces bridged with newsroom MCP databases for editorial teams.
• Project Envoy Private alpha AI is more than vibe coding. It's a new medium. Project Envoy is a publisher-controlled AI agent representing a newsroom in the agentic web, publishing trustworthy news at scale in the new information ecosystem.

• Open Journalism Tracking and celebrating open-source sharing culture in news. Also active as a Bluesky bot, which tracks and posts new newsroom GitHub repositories.
• The Data Journalism Podcast Co-hosting discussions on data investigations, visualizations, computational reporting, and AI with Alberto Cairo and Simon Rogers.
• GitHub Projects Personal open-source profile featuring code repositories, journalism tools, prototypes, and web publishing experiments.

• Vibe Coding is Growing Fast in Newsrooms, Too. 2026 How newsrooms are leveraging AI rapid-prototyping.
• Journalism Lost its Culture of Sharing. Here’s How we Rebuild It. 2026 With Ben Welsh. Rebuilding our community's collaborative heritage.
• Making Good Trouble with AI 2025 Presentation on AI investigations at Columbia University.
• Why We Published More Than 500 Videos Taken by Parler Users of the Capitol Riot. 2021 Documenting history through collaborative video verification.

• We Asked AI to Map Our Stories. Here are the Results. 2024 Conceived and edited a pioneering AI-powered coverage audit mapping reporting gaps across New York City neighborhoods.
• Knight Election Hub 2024 Designed and led the national civic infrastructure initiative connecting over 500 local newsrooms with tools, data, and services for 2024 election coverage.
• Dollars for Docs 2009–2019 Co-edited the landmark investigative database tracking billions in pharmaceutical payments to physicians, sparking national policy changes.
• Losing Ground 2014 Edited an award-winning high-resolution visualization documenting the rapid disappearance of Louisiana's coastline.