OfficialJev Guides & Articles
TypeSafe Team
The TypeSafe team page: Diogo Almeida as CEO, Sasha Sheng as COO, and Erik Gafni as CTO, plus the line Build Prod, Not God and a link to open roles.
- Format
- Docs
- Published by
- TypeSafe AI
- Last verified
- Oct 2026
Works forJev for Classification
Used inJev for Software & DevTools
Highlights
- Diogo Almeida, CEO, is described as a co-inventor of RLHF and InstructGPT, previously at Google Brain.
- Sasha Sheng, COO, is described as a former research engineer at Meta FAIR.
- Erik Gafni, CTO, is described as a repeat founder of Ravel, a multi-modal company for DNA sequencing.
Watch out
Bios are the company's own wording on the team page.
Questions about this entry
Short answers drawn from the linked project or page.
Diogo Almeida as CEO, described as a co-inventor of RLHF and InstructGPT previously at Google Brain; Sasha Sheng as COO, a former research engineer at Meta FAIR; and Erik Gafni as CTO, a repeat founder of Ravel.
The line 'Build Prod, Not God' and a link to open roles. The caveat notes the bios are the company's own wording on the team page.
CTO Erik Gafni is a repeat founder of Ravel, a multi-modal AI company for DNA sequencing, and an early employee at two unicorns, Invitae and Freenome. He is also an inventor with numerous publications and patents.
The culture section says the team works in person five days a week in a San Francisco office near the Embarcadero station, and the founders list and culture copy are the company's own wording.
Competitive salaries, equity, and benefits, plus lunch and dinner, for an in-person team in San Francisco. The page also lists values such as thinking in bets and prioritizing learning.
The culture section describes a close-knit, flat team from OpenAI, Google Brain, Meta/FAIR, Stripe, Airbnb, Plaid, and Docker, backed by top-tier investors.
Sasha Sheng is TypeSafe's COO. The page describes her as an ex-research engineer from Meta/FAIR, where she worked on News Feed, AI Experiences, and AI Research, with published work at NeurIPS and ECCV.
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