Head of Taxation

We Are Sparta Sparta is the next-generation commodity trading platform. We give trading desks the clarity, control, and collaboration they need to move faster and trade smarter. In February 2025, we secured $42 million in Series B funding. Now we’re scaling up across the business, and it’s an exciting time to join. Our people are the driving force behind everything we do. At Sparta, you’ll be trusted to take ownership, backed by a team who wants you to succeed. You’ll be challenged, supported, and given room to grow. Because building something this ambitious takes everyone at their best. At Sparta, your work has reach. From improving our platform, to powering smarter decisions for our customers, to changing how commodity trading is done around the world. And because we’re growing fast, you won’t just build your career. You’ll accelerate it, with a level of ownership and impact you simply don’t get at bigger, more bureaucratic companies. THE ROLE Sparta has the raw material most companies never get: a well-defined ICP with an engaged audience of traders, a genuine PR and analyst engine, product usage telemetry, and a stack rich with intent data. What we don't have yet is all of it connected into one demand engine that turns every signal into pipeline and revenue. That's your remit. You'll build and run Sparta's demand engine end to end, from the first buying signal to closed revenue, on a single unified pipeline in HubSpot. This is a hands-on, high-ownership role: you'll design the architecture and set the strategy from day one, then build and lead the team around it as it proves out. This role reports to the Chief Marketing Officer and can be based in either London or Geneva. WHAT YOU'LL BE DOING * Scale the demand-creation engine that's already working (analyst commentary, PR, webinars, the Market Outlook) and build a website and programs that turn our community into signal. * Build the process to catch in-market demand the moment it appears, running paid, retargeting, SEO/AEO and lifecycle programmes. * Own the signal-based pipeline architecture, unifying first-, second- and third-party signals into one HubSpot record. * Fix and own the martech stack (HubSpot, Clay, ZoomInfo, Lemlist, event tooling) and cut what overlaps. * Replace vanity metrics with honest reporting: real conversion rates, real source of pipeline, numbers the business can actually plan against. * Build the marketing-to-sales handover that works: shared lead definitions, SLAs, and an account-based motion inside our existing accounts. ABOUT YOU * A track record building and running a demand engine in B2B SaaS: you've owned pipeline and revenue, not just leads and MQLs. * Hands-on experience with HubSpot, intent platforms and preferably also Clay: workflows, lead scoring, lifecycle stages, attribution and reporting. You can build automation, not just brief it. * Strong collaborator with Rev Ops, as we build one clean, signal-based pipeline. * Fluency with intent and signal-based marketing, and the discipline to make signals drive action. * Comfortable being the person who says the real number out loud, even when it's not the one on the dashboard. * The judgement to set strategy with the CMO, prioritise ruthlessly, and hire and grow a team as the function scales. Nice to have: experience with account-based marketing for expansion inside existing accounts; a background in commodities, trading, fintech or data/analytics products; content-led or community “dark social” demand-creation experience. Sparta Commodities is proud to be an equal opportunity employer and promotes diversity within its workforce. We are determined that no-one will ever receive less favourable treatment on the grounds of gender, age, disability, religion, belief, sexual orientation, marital status, race, veteran status or any basis covered by appropriate law.

YOUR MISSION AT VOI As Head of Operations Strategy (UK & Ireland) you will report to the General Manager - UK&I and set Voi’s operations strategy across the region, driving scalable, efficient, and high-performing operations. In this role, you will define operating models, optimise cost and performance, and ensure strong alignment between local markets and central functions to support business growth and operational excellence. This will include: Strategy & Alignment * Setting, communicating and implementing the regional operations strategy in close partnership with local and central stakeholders, ensuring alignment between markets and functions to support business growth and operational excellence. Operating Model & Performance * Developing and evolving operating models (including 3PL, workforce management, and service design) to enable scalable and efficient operations. * Managing budgeting, forecasting, and cost performance, partnering with FP&S to drive financial discipline. * Overseeing unit economics, ride performance, and utilisation to inform city-level P&L decisions and market profitability. * Building and evolving performance frameworks (KPIs, dashboards, routines) and oversee data and platform management across the region, ensuring high-quality data, strong adoption, and actionable insights. * Identifying, monitoring, and preparing for city launches while delivering high-impact operational initiatives (e.g. feature rollouts, warehouse sourcing, fleet swaps, WFM model changes, 3PL implementations). Analytics & Optimisation * Driving operational and rider analytics, translating insights into actions that improve performance while balancing cost and rider experience, and addressing critical operational issues and misalignments. Leadership & Team Development * Supporting and developing the operations strategy team in London by setting clear goals and aligning work with strategic priorities. * Acting as a senior strategic partner to local teams, with close indirect oversight of the fleet management organisation. * Contributing to global operations discussions, sharing insights to support cross-market alignment and capability development. WHAT YOU NEED TO EMBARK We are looking for an analytical, strategic operational leader with great interpersonal skills and the ability to influence and align stakeholders on operational initiatives with clear business outcomes. In addition to being fluent in English, we believe the right person has: * Bachelor’s degree in operations, engineering, business or similar. * 6-10 years’ experience in operations strategy, logistics/field operations, or a high-growth environment. * Proven experience managing budgeting, forecasting, and operational cost performance. * Strong analytical capability with experience in deep data analysis and translating insights into strategy. * Experience driving complex, cross-functional initiatives and influencing senior stakeholders. * Strong understanding of operational models, including 3PL and workforce management. * Experience managing and developing high-performing teams. * Experience using AI in a role-specific context, with a focus on continuously improving output quality. Don’t meet every requirement? If you are excited about this role and our mission, and have relevant, transferable skills, we encourage you to apply - even if you don’t check every box. WHY VOI? Working at Voi is more than just a job; our People Promise includes a personal voyage where you will grow as a professional and be a part of a team and culture that builds something meaningful for society. In addition to this you’ll have the opportunity to: * Join Europe’s #1 micromobility operator and one of the fastest-growing scaleups. * Get “skin in the game” through our employee stock options program and have a key role in driving our operational success in the United Kingdom and Ireland. * Work with inspiring, motivated and fun colleagues towards a shared mission * Join the micromobility-revolution and be a part of creating sustainable cities made for living, free from noise and pollution. At Voi, we are committed to responsible and ethical recruitment practices, ensuring that all recruitment processes are fair, transparent, and free from exploitation. We operate under the principle that we cover the associated recruitment costs, meaning that no recruitment fees or related costs are charged to workers at any stage of the hiring process. All such costs are borne by Voi, and we require the same standards to be upheld across the agencies we partner with. We work only with recruitment partners who share our commitment to ethical practices and regularly review our processes to ensure compliance, protect workers’ rights, and promote a safe and respectful hiring experience for all our candidates.