John Blimmel

John Blimmel is a seasoned professional in revenue operations and billing management with extensive experience in the telecommunications industry. Currently serving as Senior Manager of Revenue Operations at Rackspace Technology since July 2022, John previously held the position of Director of Retail Wireless Billing Operations & Assurance at DISH Network, overseeing billing operations for multiple wireless brands and managing costs exceeding $150 million. Prior to DISH Network, John spent 17 years at Comcast, where contributions included directing a $200 million carrier billing unit and managing significant revenue and expense responsibilities for carrier access billing. John holds a Bachelor's degree in Business Administration from Denver Technical College.