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John Chang is the Founder and Chief Technical Officer at Willow. Prior to that, they worked as a Project Architect at ExploraMed LLC and held various positions at Acclarent, including Founder and Vice President of Otology and Emerging Therapies, as well as Founder and Vice President of R&D. Additionally, they served as a Program Manager at TransVascular. John holds an MS in Mechanical Engineering from Stanford University and a BSE in Mechanical & Aerospace Engineering from Princeton University.