Manager, Customer Success - Mid-Enterprise (Northern)

At Klaviyo, we value the unique backgrounds, experiences and perspectives each Klaviyo (we call ourselves Klaviyos) brings to our workplace each and every day. We believe everyone deserves a fair shot at success and appreciate the experiences each person brings beyond the traditional job requirements. If you’re a close but not exact match with the description, we hope you’ll still consider applying. Want to learn more about life at Klaviyo? Visit klaviyo.com/careers to see how we empower creators to own their own destiny.

Customer Success is a critical part of the success of our customers and of Klaviyo. Our mission is to exceed customer expectations and help customers grow, and we are looking for a leader who can scale that impact across our Mid-Enterprise segment.

About the role

As the Manager, Customer Success - Mid-Enterprise, you will lead a team of Customer Success Managers focused on delivering a high-touch, proactive engagement model for some of Klaviyo’s most strategic and high-growth customers. You will be reporting into Senior-Director for EMEA Customer Success, with close collaboration with the Director for Large Enterprise Customer Success.

Your mission involves fostering intensive customer relationships and mentoring your team to establish broad multi-threaded networks within accounts. You will guide them in navigating complex executive-level stakeholder environments and designing adoption strategies that ensure clients achieve their desired business results.

You will be responsible for hiring, coaching, developing, and leading a team in a fast-paced and rapidly changing environment, while helping define the operating rhythms, engagement model, and cross-functional partnerships needed to drive long-term customer value.

This role is equal parts people leadership, segment strategy, and operational execution. You will partner closely with Sales, Professional Services, Support, Product, Solution Architects, Onboarding, Renewal Management, Partner Success, and Operations to help customers achieve business outcomes, mitigate risk, and identify opportunities for growth.

How you'll make a difference

Build, hire, and manage a high-performing team of Enterprise Customer Success Managers.

Coach and develop individual contributors through regular performance management, career development, and hands-on support in day-to-day customer strategy and escalations.

Own key business outcomes for the segment, including Net Revenue Retention, expansion, churn mitigation, and overall customer satisfaction.

Develop and execute customer engagement models and success plans that drive product adoption, customer health, retention, and accelerated growth across Enterprise accounts.

Analyze customer usage patterns, sentiment, and business trends to identify risks, surface opportunities, and shape segment strategy.

Foster strong relationships with executive stakeholders internally and externally, acting as an advocate for customers while helping the business prioritize the right actions and product improvements.

Lead strategic account planning, white space prioritization, and business review cadences to uncover growth opportunities and strengthen long-term partnerships.

Partner cross-functionally to define processes, rules of engagement, and operating motions that improve the Enterprise customer experience and enable your team to perform at a high level.

Remove roadblocks, improve team operations, and create an environment rooted in collaboration, accountability, learning, and inclusion.

Transform workflows by putting AI at the center, building smarter systems and ways of working from the ground up.

Who you are

You have strong experience in enterprise customer management, with a track record of leading through complexity and driving measurable customer outcomes.

You’ve already experimented with AI in work or personal projects, and you’re excited to dive in and learn fast. You’re hungry to responsibly explore new AI tools an