Chief of Staff — Opportunihub
Job

Chief of Staff

Bjak · United Kingdom

At a glance

Type
Job
Organisation
Bjak
Location
United Kingdom
Work mode
On-site
Deadline
Rolling / not stated
Posted
1 Sep 2026

About this job

<h2><strong>About ActAI</strong></h2><p style="min-height:1.5em">There are over 5 billion users using basic applications today such email, notes, tasks, calendar and they're not AI-native. Our mission is to build proactive applications for anyone in the world, who are not used to complex prompting. We aim to bring intelligence to conversations, errands, organising and workflows, with minimal to no prompting.</p><p style="min-height:1.5em">Our product focuses on achieving high reliability for long-running workflows, persistent context, and real-world task completion. We believe products will greatly reduce hallucinations.</p><p style="min-height:1.5em">Our objective is to organise anyone's life, allowing us all to spend time on valuable and meaningful things</p><div style="min-height:1.2em;margin-top:0;margin-bottom:0"> </div><div style="min-height:1.2em;margin-top:0;margin-bottom:0"> </div><h2><strong>About the Role</strong></h2><p style="min-height:1.5em">The Chief of Staff will drive major priorities across ActAI and its portfolio of businesses. This is a hands-on operating role for someone who can move across businesses and functions, solve difficult problems and drive important work from decision through execution.</p><p style="min-height:1.5em"></p><h2><strong>What you will be doing</strong></h2><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Drive major Group priorities and cross-functional projects from start to completion.</p></li><li><p style="min-height:1.5em">Identify business or execution problems, work through the details and drive solutions.</p></li><li><p style="min-height:1.5em">Track priorities, decisions and performance across businesses and ensure clear ownership and follow-through.</p></li><li><p style="min-height:1.5em">Lead projects involving new businesses, market expansion, organisational changes or other Group priorities.</p></li><li><p style="min-height:1.5em">Analyse business performance, markets and opportunities and turn findings into actions.</p></li><li><p style="min-height:1.5em">Work across product, technology, finance, people and operations depending on the problem.</p></li><li><p style="min-height:1.5em">Step into areas where ownership is unclear or additional execution is needed.</p></li></ul><p style="min-height:1.5em"></p><h2><strong>What you will need</strong></h2><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Strong experience in a technology company, high-growth startup, strategy/operations role, top-tier consulting firm or your own startup.</p></li><li><p style="min-height:1.5em">Track record owning complex projects with measurable business outcomes.</p></li><li><p style="min-height:1.5em">Strong analytical and commercial judgement with the ability to work through data, financials and business problems.</p></li><li><p style="min-height:1.5em">Able to learn unfamiliar businesses and functions quickly and get into the details.</p></li><li><p style="min-height:1.5em">Strong written and verbal communication with clear, structured thinking.</p></li><li><p style="min-height:1.5em">Hands-on operating style - able to do the analysis, build the plan and drive the execution personally.</p></li></ul><p>Find <a href="https://www.arbeitnow.co.uk">Jobs in United Kingdom</a> on Arbeitnow</a>

How to apply

  1. 1 Read the full details above and confirm you meet the eligibility criteria.
  2. 2 Prepare your documents — an updated CV, and any cover letter, proposal or certificates required.
  3. 3 Click Apply on official site to complete your application on Bjak’s official page.
  4. 4 Submit as early as possible — many close once filled.
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Frequently asked questions

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Review the full details and eligibility on this page, prepare your documents, then use the “Apply on official site” button to complete your application on Bjak’s official page.

Is this opportunity remote or location-based?

This opportunity is based in United Kingdom. Check the official listing for any relocation or on-site requirements.

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