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Fellowships

Mentoring the next generation of scientists

We mentor researchers through established fellowship programs in AI safety and biosecurity, and fund our own fellows through our request for proposals.

Open · closes 19 Oct

ERA AIxBio Research Fellowship

A fully funded, ten-week research fellowship in Cambridge, UK, on AI-related biological risk and biosecurity. Gary Abel mentored fellows in ERA’s Winter 2026 cohort.

ERA mentors, Winter 2026

Applications
Open; deadline 19 October 2026. Closing time and time zone not published.
Program
18 January–26 March 2027; ten weeks, full-time.
Location
Cambridge, UK; primarily in person.
Support
Open to applicants worldwide aged 18+; prior formal research experience not required. £10,000 stipend plus travel and visa support.

Closed · next round TBA

MATS

A 12-week mentored research fellowship in AI alignment, transparency, and security, based in Berkeley and London. Gary Abel and Chris Ganje mentor the Fourth Eon Biosecurity stream.

Our MATS stream, Winter 2027

Applications
The Winter 2027 window (18 August–6 September 2026) is closed. Next round TBA.
Program
19 January–10 April 2027; twelve weeks, normally full-time.
Location
Berkeley, California, or London, UK; exceptions depend on the mentor.
Support
Stream-specific prerequisites; stipend plus living and travel support.

Expected ~Dec 2026

SPAR

A part-time, remote research fellowship that pairs researchers with mentors on three-month projects in AI safety and biosecurity. Fourth Eon mentors projects on biological foundation models for DNA synthesis screening.

Our SPAR project, Fall 2026

Applications
The organizer expects Spring 2027 applications to open around December 2026; deadline TBA. The Fall 2026 window is closed.
Program
About three months; part-time, with a project-dependent commitment.
Location
Remote, worldwide, subject to eligibility and meeting times.
Support
Students, career changers, and professionals; unpaid, with approved research expenses covered.

Open · rolling

Fourth Eon Fellowship

Our own fellowship: we fund and host people to scope new biosecurity programs, with up to $75,000 for three months as a Program Architect or a two-person team. Researchers who already hold a fellowship or career transition grant are also welcome.

Request for proposals

Applications
Open; proposals are reviewed as received. Email a short PDF proposal to programs@fourtheon.bio.
Program
Three months of scoping and program development, as a Program Architect or a two-person team.
Support
Up to $75,000 per program, with flexibility for exceptional proposals.