Key Account Director - London
About this role
About Junior
We're building cutting-edge LLM-powered tools to supercharge the investment research process for private market investors. Our clients include several of the world's top 10 private equity and consulting firms, and are responsible for investing billions of dollars annually. We're a profitable, bootstrapped company with a growing team of 49 based in London and NYC. We 10x'd our revenue in 2025.
Role Description
Junior has established itself as the go-to AI platform for commercial due diligence teams at the world's leading consulting and professional services firms. We already serve CDD teams at firms like BCG, EY, and PwC - and now we're ready to go much deeper.
We are hiring Key Account Directors to own and grow our most strategically important accounts. This is not a portfolio role. You will own a single major account - a firm you already know inside-out - and your mission is to expand Junior from a CDD tool into a platform used across the entire organisation. That means opening doors into new business lines (strategy consulting, tax, transactions, advisory, and beyond), building executive relationships, and 5-10xing account value.
This role sits at the intersection of strategic sales, customer success, and account management. You are the face of Junior inside your account. You will be the person who understands the firm's structure, politics, buying processes, and pain points better than anyone else in our company - because you've spent years working there.
As a Key Account Director, you'll have the unique opportunity to:
Own a single flagship account end-to-end - you are the CEO of your account, responsible for revenue growth, retention, expansion, and executive relationships
Expand Junior beyond CDD into new practice areas and business lines, identifying where our solutions solve real workflow problems, knowledge management challenges and output generation needs across the firm
Build and maintain senior relationships with Partners, Managing Directors, and C-suite stakeholders, positioning Junior as a strategic platform partner rather than a point solution
Develop and execute an account growth plan that will 5-10x our accounts, with clear milestones and a pipeline of expansion opportunities
Act as the voice of your account internally, working closely with Product and Engineering to shape our roadmap around the specific needs and workflows of your firm
Lead complex enterprise sales cycles for new products - from identifying new use cases and building internal champions, through procurement and legal, to deployment and adoption
Coordinate large-scale rollouts of new Junior solutions across new teams and geographies, ensuring successful adoption and measurable impact
Travel regularly to client offices (UK, Europe, US) to maintain face-to-face relationships and drive engagement at all levels of the organisation
About You
We're looking for a Key Account Director who:
Has 8+ years of experience at or selling into one of our target accounts (BCG, EY, PwC, or similar Big 4 / MBB firms), with deep knowledge of the firm's organisational structure, decision-making processes, and strategic priorities
Has an existing network of senior relationships (Partner / MD level and above) within the target firm - you can pick up the phone and get meetings
Has a track record of growing large enterprise accounts or driving significant commercial outcomes
Understands consulting and professional services workflows across multiple business lines - not just CDD, but strategy, transactions, tax, advisory, and operations
Is a strategic thinker and a doer - you can develop an account plan and also run the meeting, draft the proposal, and close the deal
Is comfortable with a heavily commercial, results-driven role - compensation is structured with a significant revenue share component tied to account growth
Has excellent communication and presentation skills, with the ability to command a room of senior Partners and translate complex product capabilities into business value
Has a strong product instinct - you can identify where AI tools can transform workflows and articulate that vision credibly to senior stakeholders
Is entrepreneurial and thrives in ambiguity - this is a new function at a fast-growing startup; you'll be building the playbook, not following one
Has an active interest in AI and thoughtful opinions on how it will reshape consulting and professional services
Benefits
Private health insurance
Gym membership (Third Space)
Dinner when working late
Team lunch provided everyday at the London HQ!
Frequent offsites (recent offsites include Crete, Greece and Cancun, Mexico)
How to Apply
If you're excited about the opportunity to drive innovation at Junior, we'd love to hear from you! We can't wait to meet you!
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