Complexio is the intelligence layer for enterprise AI. Our platform builds a connected understanding of how businesses actually operate — across people, processes, and systems.
Enterprises have invested heavily in AI platforms, copilots, and data infrastructure — yet daily work still runs on manual hand-offs and thousands of unseen tasks buried in emails, chats, and spreadsheets. Complexio closes that automation gap.
Our Event Knowledge Graph ingests structured and unstructured data to create a living map of how an organisation truly works — every task, interaction, and dependency. Our Context Broker unifies this knowledge across enterprise systems in real time, enabling our Orchestration layer and Enterprise Automator to discover, design, and execute workflows autonomously. Stevie, our conversational AI assistant, gives teams a natural way to query and act on that intelligence.
Complexio deploys securely within your infrastructure and integrates with the enterprise platforms you already run on — turning organisational knowledge into measurable business outcomes.
A joint venture between Hafnia and Símbolo, backed by leading maritime partners including Marfin Management, C Transport Maritime, Trans Sea Transport, and BW Epic Kosan. Born in maritime, now scaling rapidly across industries.
We are now onboarding enterprise customers globally, with a platform built to handle the pace and complexity of real business operations.
The Client Director (Strategic Accounts) is the owner of Complexio's most important enterprise relationships post signature. Your primary mandate is customer success — accountable for value realisation, adoption, retention, and longterm partnership growth, with every renewal earned by outcomes already delivered. You also serve as the technical translator and feedback loop between the customer and Complexio's Product and Engineering teams, and when the situation requires it, you can run a full commercial cycle independently — but this is a supporting capability, not the centre of the role. You will shadow both Co-CEOs in strategic customer meetings and represent Complexio at C-suite level with full authority and credibility.
Requirements
Key Responsibilities
→ Senior owner of a portfolio of strategic enterprise accounts — multi-threaded relationships from day-to-day users through to C-suite, accountable for retention, health, and long-term partnership growth
→ Drive value realisation with the customer — co-define success metrics, drive adoption of the full Complexio platform (Event Knowledge Graph, Context Broker, Stevie, Enterprise Automator) against clear use cases, and maintain a customer-signed value narrative refreshed every QBR
→ Own account health and on-time renewals — track leading indicators, run structured recovery plans on at-risk accounts, and treat every renewal as earned by outcomes delivered → Own account revenue across renewal, upsell, and cross-sell — accountable for retained ARR and Net Revenue Retention; capable of running renewal and expansion cycles end to end, including procurement, legal, and contracting
→ Act as the technical translator between customer and Complexio Product/Engineering — hold credible architecture, integration, and security conversations with customer CTOs and IT teams without escalating every question, and convert operational requirements into structured Product input
→ Voice of the customer inside Complexio — feed prioritised, actionable feedback into Product Management on what works, what's friction, and what's missing
→ Lead executive engagement at C-suite level — represent Complexio independently, shadow Co-CEOs in strategic meetings, and orchestrate internal teams (Solution Engineering, Delivery, Product, Support) around shared account priorities
What We're Looking For
→ 7+ years in a senior post-sale role — Customer Success, Account Management, Client Partner, or equivalent — managing strategic enterprise accounts in B2B SaaS or enterprise software, with a track record of driving Net Revenue Retention through documented value delivery
→ Executive presence and commercial capability — credible at C-suite level (alongside or in place of Co-CEO leadership), able to run renewal and expansion cycles independently including procurement and contracting
→ Technically fluent without being an engineer — able to translate between customer and Complexio Product/Engineering, hold credible architecture and security conversations, and convert operational requirements into structured Product input
→ Highly organised and proactive — disciplined enough to manage multiple high-complexity accounts simultaneously, calm under pressure, and energised by scale-up environments
Desirable:
→sector background in maritime, shipping, energy, or industrial; experience with AI, data platforms, or knowledge graphs; enterprise accounts in the $500k–$5M+ ACV range; ability to step into a hunter role when situations have called for it
Benefits
Senior individual contributor role with strategic influence over Complexio's most important customer relationships; competitive base + performance component tied to retention, value realisation, and expansion outcomes; direct access to the Co-CEO and senior leadership team, and the opportunity to shape Complexio's customer success frameworks as the company scales
Complexio London, England Office
First Floor, 5 Fleet Place United Kingdom, London, United Kingdom, EC4M 7RD
