General Index
Interim Head of People
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General Index (GX)
General Index (GX) is the commodity benchmark provider based on the most data. We produce over ~6,000 daily energy prices - in crude oil & refined products, biofuels, hydrogen, and carbon markets - which our clients (such as Exxon, Bloomberg, BP, Shell and Two Sigma) use to make critical energy & investment decisions. GX’s unique approach collates thousands of trades from 200 data partners and applies expert-designed algorithms based on detailed methodologies to calculate prices.
Backed at Series A by Chalfen Ventures and 20VC, we have an experienced team with proven leadership – as well as a rapidly growing customer and partner base. With offices in London, Krakow, Houston, and Singapore, we're growing quickly, and we're looking for an Interim Head of People to help on the journey, 3 days per week, while our Head of People is on maternity leave.
About the role
We're on the hunt for a dynamic, pragmatic Interim Head of People — a true generalist who can flex from boardroom to shop floor and back again. You'll be the trusted right-hand to Leadership and Management, and a go-to advisor for people across our global team. If you love variety, thrive on ownership, and get a kick out of building relationships at every level of a business, this is your kind of role.
What you’ll own
Talent Acquisition
- Own and deliver the end-to-end recruitment process across all roles, levels and disciplines.
- Proactively source, headhunt and recruit talent via LinkedIn and other channels.
- Pre-screen every candidate before CVs are shared with hiring managers to ensure quality and alignment.
- Manage interviews, candidate assessment, task preparation, offer and salary negotiation, and contract creation.
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People Operations
- Oversee onboarding and integration of all new hires, to ensure a seamless experience.
- Own Bob data integrity and ongoing HR compliance.
- End of year performance and compensation process.
- Keep the company ahead of changing employment law obligations in all jurisdictions.
- Workforce planning & headcount forecasting for FY28 in partnership with CAO and leadership including budgeting.
- Own risk areas for People function, and sit on the risk committee.
People Business Partnering
- Build strong, trusted relationships with stakeholders and department heads to influence people strategy and decision-making.
- Drive improvements in performance, engagement, culture and team effectiveness across all departments.
- Support managers and leaders with conversations and decision-making around pay, salary reviews, remuneration and employee benefits.
- Support managers with capability management, coaching and difficult conversations.
- Provide commercially focused, legally compliant HR advice to managers on all ER matters, ensuring consistency, fairness and adherence to company policy and employment law across all ER activity.
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Organisational development
- Partner with leadership on the people implications of strategic acquisitions, including due diligence support, culture and compensation benchmarking, and integration planning for incoming teams.
- Lead HR work streams during fundraising events, including data room preparation, and readiness reviews of employment contracts and policies for investor scrutiny.
You offer GX:
- Experience leading a People function in a high-growth startup (ideally VC-backed).
- Strong operational capability and confidence in building and improving HR processes from scratch.
- Hands-on experience with Bob (preferred) or other modern HR systems (e.g., HiBob, BambooHR, Personio).
- Understanding of UK employment law; international experience (e.g., Poland, US, Singapore) is a plus.
- A people-first, detail-oriented mindset with strong interpersonal and communication skills.
- Comfortable operating autonomously in a fast-paced, evolving environment.
GX offers:
- Part-time role covering Maternity leave.
- Competitive salary.
- Private medical insurance with Bupa.
- Central London based offices in vibrant Covent Garden.
A diversity of identity, perspective, and experience makes us stronger. We welcome you to apply to GX regardless of your background, age, gender, ethnicity, orientation, or ability.
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