Marie Sunderland

Passionate about supporting and driving change, particularly in large-scale digital transformation. A results-driven leader with a proven track record of delivering customer success, achieving 95% retention across £3M enterprise accounts. Skilled in designing and implementing customer success strategies aligned with wider business goals, with a strong ability to lead and mentor high-performing teams, build trusted customer relationships, and deliver measurable outcomes. Committed to continuous improvement and innovation in customer success and digital transformation practices.

Friendly and people-focused Customer Success leader with a passion for helping customers get real value from the products they use. I’ve managed a £3M ARR portfolio with a 95% retention rate by building trusted relationships, understanding customer needs, and using data to guide smarter decisions. I enjoy leading teams, improving customer journeys, and working closely with Product and Operations to make sure the customer voice is heard. Known for clear communication, strong collaboration, and a hands-on approach, I’m committed to creating positive, long-term customer experiences that drive mutual success.

Leadership Programme – FireFly (2017)

Project Management Level 5 (CMI) – Chartered Management Institute (2015)

Certificate in Personnel Practice – CIPD Qualified (2006)

NVQ Level 2 & 3 – Business  administration (1998)