B2DB — Who said what, where, and when

David Wiesen

Co-Founder / Engineering, Nextdoor

David Wiesen is listed as Co-Founder / Engineering, Nextdoor. David is scheduled to speak at Microsoft Ignite 2026 on 18 November 2026.

Compiled from published conference agendas; not yet confirmed by David. Is this you? Claim this profile.

About

David is a software engineer at OpenAI working on the Codex core harness. Among other things, he owns the harness' windows OS sandbox implementation. Previously he was a co-founder of the neighborhood app Nextdoor, where he spent 15 years. He lives in Seattle with his family and enjoys curling.

Upcoming

Microsoft Ignite 2026 17 November 2026 – 20 November 2026

Spoke alongside

People who have shared a session with David at events on B2DB.