Sean Majewski
Customer Success Senior Manager @ECA International
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WORK HISTORY
Customer Success Senior Manager @ECA International
Support onboarding and implementation for mid-market and enterprise clients,ensuring seamless integration of ECA’s SaaS solutions and driving earlyadoption across APIs, data workflows, and platform features. Acting as a strategic advisor and primary point of contact for a portfolio of high-value accounts, cultivating trusted relationships with both technicalstakeholders and senior decision-makers.Owned renewal and expansion targets, consistently identifying upsellopportunities through usage analytics, business reviews, and alignment withcustomer growth objectives.Translated complex product capabilities—new features and dataintegrations—into actionable outcomes tailored to client goals, improvingretention and platform utilisation.Monitored customer health metrics and engagement data to proactivelymitigate churn risk, deploying targeted strategies that improved renewal ratesand customer satisfaction.Collaborated cross-functionally with product, engineering, and sales teams toadvocate for customer needs, influence roadmap priorities, and resolvetechnical challenges.Delivered executive-level presentations and success plans, combiningstrategic insight with technical depth to support long-term value realization.Represented ECA at industry events and internal initiatives, contributingthought leadership and championing customer-centric innovation.Thrived in a fast-paced, startup-like environment by building scalableprocesses, adapting quickly to change, and maintaining a collaborative, low-ego approach.
SKILLS
ABOUT SEAN MAJEWSKI
Passionate about helping customers thrive, I’m a results-driven Customer Success professional with deep experience in SaaS and the travel industry. I specialise in building long-term client relationships, driving product adoption, and elevating customer satisfaction through thoughtful, data-informed strategies.With a strong focus on retention and revenue growth, I use proactive engagement and cross-functional collaboration to refine user experiences and streamline support processes.I’m always curious, always learning—especially when it comes to emerging technologies and shifting market trends. Whether it’s optimising a process or exploring a new tool, I bring energy, adaptability, and a genuine commitment to customer success.
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