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Diana Cook is a seasoned healthcare executive with extensive experience in operations and business development within the respiratory care sector. Currently serving as Chief Operating Officer at The Ellison John Transitional Care Center since August 2019, Diana previously held the role of Director of Business Development within the same organization. Diana's contributions to the City of Lancaster as a Planning Commissioner since 2012 highlight a commitment to community development. Earlier roles include Respiratory Care Practitioner and Trainer for Hill-Rom Medical Devices and Vice President of Business Development at AV Respiratory Services Inc., demonstrating expertise in both clinical and business aspects of healthcare. Diane's background also includes consulting for various healthcare facilities and specializing in obstructive sleep apnea management. Diana's foundational education was acquired at the Medical Training Institute from 1982 to 1984.