Erik Gafni
Co-founder and CTO of TypeSafe AI; previously founded Ravel, a multimodal AI company for DNA sequencing
- Founder and CTO, TypeSafe AI1
Erik Gafni is a founder and the CTO of TypeSafe AI, a San Francisco company that builds System One models for typed, probabilistic decisions in software automation. TypeSafe's team page describes Gafni as a repeat founder, including of Ravel, a multimodal AI company for DNA sequencing, as an early employee at Invitae and Freenome, and as a specialist in building production AI systems.1
Career
Gafni's earlier roles include founding Ravel, which worked on multimodal AI for DNA sequencing, and early positions at Invitae and Freenome; TypeSafe's team page also credits Gafni with publications and patents. Gafni is one of TypeSafe's three founders and serves as CTO, alongside CEO Diogo Almeida and COO Sasha Sheng.1
TypeSafe launched Jev in September 2026, describing a new model architecture, a parallel sampler and a calibrated-decision training method built for automation rather than chat.2
Work
TypeSafe AI System One models (Jev) (external site: typesafe.ai)Proprietary product
Part of TypeSafe's founding team as CTO when the company launched its first System One model, Jev, in early access in September 2026.12
Career timeline
Other documented roles
Roles the sources document but that are not confirmed as current.
Related people
More sourced profiles at the same organization, in the same field, or from the same school.
- Diogo AlmeidaAlso at TypeSafe AI
- 0xSeroInference and serving
- Sasha ShengAlso at TypeSafe AI
- Adrien GallouëtInference and serving
- Akshat BubnaInference and serving
- Aldehir RojasInference and serving
- Dane KnechtInference and serving
- Daniel BeveniusInference and serving
- Davide EynardInference and serving
- Erik BernhardssonInference and serving
- Jeffrey MorganInference and serving
- Julien SimonInference and serving
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