An independent community initiative · Cambridge & London Organised by Legis Labs
CCombinator

Cambridge & London · Autumn 2026

AI safety
in practice

Bring your perspective. Explore responsible AI in finance, law and healthcare.

A community for people who ask thoughtful questions, build with care and want to work across disciplines. Start with a conversation. Leave with a new connection.

An independent community initiative by Legis Labs

Upcoming gatherings

Choose your afternoon

A shared theme of practical AI safety connects our events. Each gathering brings its own programme and mix of perspectives from research, industry and public life.

Wednesday

Free · approval required

14:00–18:00 GMT

Perspectives across disciplines

Founders, researchers, practitioners and curious minds exploring responsible AI together.

Cambridge City CentreExact venue shared after acceptance
Codex workshop · 17:00–18:00
Separate Luma sign-up after acceptance

Friday

Free · approval required

13:00–17:00 GMT

Ideas into responsible ventures

An afternoon for founders, builders, researchers and domain experts to explore AI safety and find collaborators.

Barclays Innovation Hub, London41 Luke Street, London EC2A 4DP
Part of Barclays Entrepreneurs Festival 2026

Save both upcoming datesCalendar reminders do not confirm a place. Apply for organiser approval.

Discussion themes

Questions that matter

What evidence makes an AI system trustworthy enough for consequential work? Explore the question through practical examples and different professional perspectives.

Finance

Permission boundaries, payment controls and the evidence needed to identify fraud and operational risk.

Law

Tracing claims to reliable sources, testing consistency and supporting professional judgement.

Healthcare

Evaluating uncertainty, recognising failure and knowing when to involve a clinician.

A thoughtful afternoon

Learn. Contribute.
Connect.

A shared theme, with a programme shaped for each gathering.

Explore real questions using public or synthetic examples, work in small groups, and meet people whose expertise complements your own.

Speakers and session details will be confirmed on the individual event pages.

28 October 2026 · Cambridge

Perspectives across disciplines

Practical safety, governance and evidence, followed by a community-led OpenAI Codex workshop.

Explore the programme →

6 November 2026 · London

Ideas into responsible ventures

Part of Barclays Entrepreneurs Festival 2026, including a five-minute introduction from Eagle Labs and time to develop ideas together.

Explore the programme →

28 October · 17:00–18:00 GMT

An introduction to
OpenAI Codex

Try Codex with guidance from community workshop facilitators.

Beginners are welcome. Bring a laptop. Accepted guests receive the separate Luma registration link with their private joining instructions.

Apply for 28 October ↗

Attendee credits

US$100 in Codex credits
US$50 in API credits

Per eligible checked-in attendee. Separate Luma registration, workshop approval and applicable eligibility terms are required. These arrangements apply to the October workshop; no additional entitlement is promised for London.

Prizes

US$1,000, US$500 and US$250 in OpenAI API credits, and a year of ChatGPT Pro.

Award and redemption arrangements are subject to the organisers’ terms. Attendee credits and prizes have separate eligibility conditions.

Before you apply

Practical questions

Contact contact@cambridgecombinator.com.

Who can apply?

Founders, researchers, practitioners, students and curious people across disciplines are welcome. No university affiliation is required. Each application is reviewed by the organisers.

Should I attend both dates?

A shared theme of practical AI safety connects our events. Each gathering brings its own programme and mix of perspectives from research, industry and public life. Choose one or apply for both; each date has its own admission decision.

When will I receive the venue details?

The 6 November gathering takes place at Barclays Innovation Hub, 41 Luke Street, London. For 28 October, the public location is Cambridge City Centre; the exact venue is shared privately after acceptance. Accepted guests receive joining instructions for their chosen event.

Do I need technical experience?

All experience levels are welcome. Bring your knowledge, research or questions. A laptop is useful for practical exercises.

How do I join the Codex workshop?

The 28 October event includes a community-led workshop from 17:00 to 18:00. Accepted guests receive the separate Luma sign-up link. Workshop approval, check-in and credit eligibility are handled separately. November workshop arrangements will be announced if confirmed.

What about catering and access?

Share ordinary meal preferences in your application and contact organisers privately about allergies or access adjustments. Catering arrangements for London are being finalised.

Beyond the afternoon

Find people to build with

Share what you’re exploring, what help you would welcome and what you can offer. Introductions happen with your agreement.

Explore the community →