Chief of Staff (£60k-£100k + Equity) at venture-backed personalized AI startup

Company: Jack & Jill
Apply for the Chief of Staff (£60k-£100k + Equity) at venture-backed personalized AI startup
Location: London
Job Description:

Job Title

Chief of Staff

Salary

£60k-£100k + Equity

Company Description

Venture-backed early‑stage personalized AI startup led by Meta and Cambridge PhD founders.

Job Description

Join a high‑performance team of research engineers as our first non‑technical hire. You will take complete operational ownership off the CEO’s plate, scaling a personalized intelligence platform that understands context across every digital tool. This is a co‑building role where you will shape the company’s trajectory from alpha launch to global scale.

Location

London, UK

Why this role is remarkable

  • Direct partnership with a CEO who scaled Meta products and a CTO with a Cambridge PhD, offering unparalleled access to founder‑level decision making.
  • Work at the frontier of AI with an elite team from AWS, TikTok, and Imperial, solving foundational challenges in secure, personalized data intelligence.
  • Significant career trajectory with the opportunity to evolve into Head of Operations as the company expands from London to San Francisco.

What You Will Do

  • Lead operational excellence by implementing SOC 2 compliance and building robust internal systems using tools like Notion and Airtable.
  • Drive technical growth by sourcing and recruiting top‑tier research engineers to expand the existing team of five.
  • Manage product readiness and GTM strategy, ensuring the platform is battle‑tested for its high‑stakes alpha launch in 3‑4 months.

The ideal candidate

  • 5+ years of experience including elite management consulting (McKinsey, BCG, or Bain) combined with high‑growth startup execution.
  • Exceptional technical literacy and tool mastery, with a proven ability to build operational systems from scratch with zero supervision.
  • High‑stakes problem solver with the hustle of a former founder or early Founder’s Associate who thrives in intense, in‑person collaborative environments.

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Posted: June 2nd, 2026