John Walls

John Walls is an experienced leader in customer success, currently serving as VP of Customer Success at Katana Cloud Inventory since May 2024, and as the owner of Customer Retention Consulting since January 2024. Walls is also a member of the Atomico Expert Network, providing guidance to technology firms. Previous roles include VP of Customer Success for EMEA and APAC at Collibra, and a long tenure at Zendesk where notable achievements included increasing annual recurring revenue from $80 million to $380 million while significantly reducing churn rates. Additional experience includes key positions at Salesforce.com and Thomson Reuters, where Walls was responsible for major customer experience initiatives and strategic relationships with top clients. Educational qualifications include an MEng in Electronic Systems from the University of York and participation in the Board Directors' Programme at Henley Business School.