# Ali Akhtar

Founder and CEO of Tractatus AI (PitchBook shows that it has been renamed Letter AI, YC S, Chicago), completed USD 40 million Series B round led by Battery Ventures in February. Letter AI is an AI native revenue empowerment platform (source: PitchBook profile/letter.ai official website/YesPress) (2, 2026, 23).

Founder and CEO of Tractatus AI (PitchBook shows that it has been renamed Letter AI, YC S, Chicago), completed USD 40 million Series B round led by Battery Ventures in February. Letter AI is an AI native revenue empowerment platform (source: PitchBook profile/letter.ai official website/YesPress) (2, 2026, 23).

Canonical: https://uniquebase.ai/people/UB-P3550
Stable identifier: UB-P3550
Snapshot captured: 2026-10-22T00:48:04.883Z
English updated: 2026-10-22T03:04:49.350Z

## Connected profiles

- [Tractatus AI](/companies/tractatus-ai)

## Sources

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