Duc Bui
Customer Success Manager Mid-market @Personio
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WORK HISTORY
Customer Success Manager Mid-market @Personio
Berlin, DE
Managing a portfolio of 100–110 Midmarket accounts (~€4.2M ARR)Driving product adoption and long-term customer valueLeading churn prevention and proactive risk mitigation strategiesContributing to an internal AI Efficiency Initiative to scale CSM workflows with AI
EDUCATION
The Martin Luther University of Halle-Wittenberg
Bachelor, Soziologie
ABOUT DUC BUI
I\'m a Customer Success Manager at Personio, responsible for a portfolio of 100–110 Midmarket accounts with ~€4.2M ARR.My focus is on driving product adoption, preventing churn, and ensuring customers achieve lasting value — not just at go-live, but throughout the entire partnership.I work proactively: identifying risks early, building mitigation plans, and keeping customer health at the center of everything I do.Beyond my portfolio, I\'m part of an internal initiative integrating AI into Customer Success workflows — building smarter, more scalable ways to deliver value at every stage of the customer journey.
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