YC Summer 2026 (S26) founder

David Pastewka

Founder of Marker, Platform and FDEs for rebuilding businesses agent-first

Company

David Pastewka is listed as a founder of Marker. Marker embeds with companies, learns how their organization actually works, and ships custom AI agents into production in weeks via the Marker Command Center. Each agent deepens our understanding, so the next one launches faster until the whole org is agent-first.

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