Marker bills itself as a “reimagined word processor” designed to support the writing process, including ideation, writing tools to keep users in flow, revision support, and collaboration features for co-writers and commenters. The startup emerged from stealth concurrent with a $13M seed raise led by Index Ventures. It was co-founded by Jon Steinback, who led brand and creative at DeepMind, and Ryan Bowman, who has built writer-facing platforms for literary and talent agencies. Marker emphasizes tools that write with the writer rather than for them and positions itself against low-quality AI-generated content. The company has secured angel backing from figures including Steve Newman, Cal Henderson, and Thomas Wolf. Beyond the seed financing announcement, the article does not report revenue, users, or additional operating metrics.

Total raised

$13M

Funding rounds

1

Latest round

Seed

Latest activity

Jul 2026