Customer Success Manager (Japan)
Genspark
Sales & Business Development, Customer Service
Japan
Posted on Dec 19, 2025
Customer Success Manager (Japan)
Japan
GTM
In office
Full-time
About Genspark
We're building the future of AI with our Agent Engine platform. Our products—Genspark Super Agent, Genspark AI Slides, and Genspark AI Sheets—are transforming how people work with artificial intelligence. We're a Silicon Valley-based company expanding globally, and we're looking for exceptional talent to lead our marketing efforts in Japan.
About This Role
We’re seeking an experienced Customer Success Manager to join our growing team in Tokyo. This is a critical role as we establish and expand our footprint in the Japanese market. You’ll be the trusted advisor to our Japanese clients, helping them unlock the full potential of Genspark’s AI workplace agents while navigating the unique dynamics of Japanese business culture.
What You’ll Do
Client Relationship Management
- Serve as the primary point of contact for an assigned portfolio of Japanese enterprise clients
- Develop trusted advisor relationships with key stakeholders, including C-level executives
- Build and maintain strong, long-lasting client partnerships.
- Navigate Japanese business etiquette and decision-making processes with cultural sensitivity
Strategic Customer Success
- Onboard new clients with customized training sessions designed to meet their specific business needs
- Conduct regular Strategic Business Reviews (QBRs) with key accounts
- Proactively identify opportunities to drive product adoption, usage, and customer satisfaction
- Develop success goals collaboratively with clients and ensure continuous value realization throughout the customer lifecycle
Performance Analysis & Insights
- Prepare and present periodic performance reports analyzing client KPIs and usage metrics
- Provide data-driven strategic recommendations based on client performance and market trends
- Support clients’ operational and strategic decisions with best practices and internal expertise
- Monitor customer health metrics and proactively address potential churn risks
Cross-Functional Collaboration
- Liaise between clients and internal teams (Product, Engineering, Sales, Marketing) to ensure timely delivery of solutions
- Communicate customer feedback and feature requests to product development teams
- Collaborate with Sales to identify expansion and upsell opportunities within existing accounts
- Work with Marketing to develop customer success stories and case studies
What We’re Looking For
Required Qualifications
- Must be based in Japan (Tokyo or surrounding area)
- 2+ years of Customer Success Management or Account Management experience in a B2B SaaS or technology company
- Business-level fluency in both Japanese and English (written and verbal)
- Bachelor’s degree preferred
- Proven track record of managing multiple client accounts simultaneously
- Experience delivering client-focused solutions based on customer needs
Preferred Qualifications
- Experience in enterprise SaaS, AI/ML technologies, or workplace productivity tools
- Familiarity with enterprise software adoption patterns and procurement processes
- Understanding of business culture, including decision-making processes
- Experience working with global technology companies expanding into Japan
Key Competencies
Communication & Presentation
- Exceptional communication and presentation skills across all organizational levels, including executives
- Ability to explain complex technical concepts in clear, accessible language in both Japanese and English
- Strong active listening and negotiation skills
Analytical Thinking
- Strong analytical capabilities with attention to detail
- Ability to interpret data and translate insights into actionable recommendations
- Comfort working with metrics, dashboards, and reporting tools
Relationship Building
Natural relationship builder with high emotional intelligence
- Patient, empathetic approach aligned with Japanese customer service standards (omotenashi)
- Ability to build credibility and trust with diverse stakeholders
Adaptability & Problem-Solving
- Resourceful problem-solver who can navigate ambiguity
- Adaptable to fast-paced startup environment with evolving priorities
- Proactive mindset with ability to anticipate customer needs
What We Offer
- Competitive compensation package including base salary and equity
- Professional development opportunities in a fast-growing AI unicorn
- Global exposure working with international teams across US, Singapore, and Asia
- Cutting-edge technology - work with the latest AI innovations daily
- Impact - directly shape customer success strategy in a critical growth market
- Inclusive culture - we embrace diversity and welcome people from all backgrounds
Our Values
- Build with velocity - Move fast, iterate quickly, prioritize functionality
- Customer obsession - Our customers’ success is our success
- Innovation without limits - Push boundaries, challenge conventions
- One team, global impact - Collaborate across borders and functions
- Excellence through diversity - Embrace different perspectives and backgrounds
Req ID: R10