Erik Stein
Senior Manager, Customer Success Leading Account Management & Retention (15 Fte) @Radius
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WORK HISTORY
Senior Manager, Customer Success Leading Account Management & Retention (15 Fte) @Radius
Berlin, DE
Leadership & Team Structure: Scaled a 5 FTE account management team; now leading a multi-layer structure including Team Lead (total ~15 FTE) across Account Management & Retention - Customer Lifecycle Ownership: Own the post-acquisition customer lifecycle, driving account growth, retention and churn management - Retention & Churn Management: Built and formalized retention structures and centralized churn handling - Cross-functional & International Leadership: Close collaboration with Operations, Credit, Sales and international teams (UK, FR, ES, IT, Benelux)- Growth Impact: Drove above-average growth in account management within a Business Unit with >20% YoY revenue increase
EDUCATION
Humboldt-Universität zu Berlin
Diplom Kaufmann, International Management, Marketing, Management of Innovations, Entrepreneurship
SKILLS
ABOUT ERIK STEIN
Customer Success & Commercial Leader driving retention, growth and customer lifecycle in tech and SaaS. Leading multi-layer teams (15-20+ FTE) and scaling revenue across the customer journey— I am a Customer Success and commercial leader with 20 years of experience in building, scaling and leading revenue-driving teams in tech, e-commerce and SaaS environments. Today, I lead Account Management and Retention at Radius, owning the post-acquisition customer lifecycle – from onboarding governance to growth, retention and churn management. I currently lead a multi-layer team structure with around 15 FTE and drive sustainable revenue growth within the business unit. Previously, I spent 9 years as Country Manager DACH, joining at an early stage and scaling a tech business to over 500% revenue growth while leading cross-functional teams across sales, marketing and product. Key strengths: • Customer Success, Account Management & Revenue Growth • Leadership of multi-layer teams (15–20+ FTE) • Scaling business units and commercial structures in DACH • Strong background in e-commerce, SaaS, tech and digital sales • Intercultural leadership and multilingual communication
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