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The Role
As a Customer Success Manager at Genspark, you'll own the post-sales relationship end to end, making sure the customer sees real, measurable business outcomes from day one. This is a hands-on role: you'll lead deployments, build joint success plans, run EBRs, and be the person customers call when they need a trusted advisor who understands both their business and the platform.
You'll report to the Head of Customer Success and work daily with Account Executives, Solutions Engineers, and Product — sitting at the intersection of revenue, adoption, and long-term customer health.
At a company growing from $0 to $250M+ ARR in 12 months with 6,000+ enterprise clients globally, this isn't a maintenance role. You have the opportunity to directly impact the company's playbook from the very beginning.
What You'll Do
Customer Deployment & Onboarding:
Serve as the primary post-sales point of contact from signed contract through go-live and beyond
Lead new customer deployments end to end — including hands-on guidance for SSO setup, connector configuration, and platform onboarding
Own clarity on expectations, timeline, and deliverables for all stakeholders throughout the implementation lifecycle
Develop and execute tailored onboarding plans; facilitate cross-functional collaboration across sales, solutions engineering, support, and product
Customer Success & Expansion:
Build and execute joint success plans and EBRs that drive adoption, deepen engagement, and tie platform usage to measurable business outcomes
Monitor customer health, adoption metrics, and satisfaction signals — proactively identifying risks and driving resolution before they escalate
Partner with Account Executives on renewal and expansion conversations, bringing customer context and success data to the table
Guide customers on Genspark best practices, new features, and emerging use cases relevant to their business
Internal Contribution:
Document and improve onboarding processes, playbooks, and best practices as the CS motion scales
Provide actionable product feedback from the field to influence roadmap and support quality
Contribute to internal initiatives that raise the bar on how we deliver customer value at scale
What We're Looking For
3–5 years of experience in customer success, implementation management, or technical account management for enterprise SaaS customers
Proven ability to manage complex, multi-stakeholder enterprise engagements from kickoff through renewal
Strong project management and organizational skills — you can run multiple deployments simultaneously without dropping threads
Excellent communication and executive presence — comfortable leading EBRs with C-suite and diving into the details with administrators the same week
Solutions-oriented and comfortable with ambiguity; you thrive in fast-moving environments where the playbook is still being written
Experience with SSO, identity providers (Entra ID, Okta, Google), and enterprise connector/integration workflows is a plus
Background in AI, productivity, or knowledge work SaaS is a plus
Native-level Japanese and fluent English. English fluency is a must; you will work daily with global leadership.
About Genspark
Genspark is one of the fastest-growing AI companies in the world — $0 to $250M+ ARR in 12 months with a team of ~70. We're building the AI execution layer for knowledge work, serving 6,000+ business clients globally across financial services, advertising, hospitality, technology, and consulting. Backed by Emergence Capital, Temasek, SBI, LG Technology Ventures, and others, with $645M raised in total and a valuation of $2.6B. Forbes AI 50 (2026). Partnerships with Microsoft, OpenAI, Anthropic, and AWS.
We're scaling our enterprise go-to-market from 7 AEs to 55+ across the US and Japan through 2026 and expanding into EMEA — which means a rapidly growing customer base, increasingly complex deployments, and a CS function that needs people who can grow with it.
Location: Remote/ Hybrid (We have a Wework office in Tokyo)
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