Nuvance Health has named a new Chief Human Resources Officer for the newly expanded leadership role at the seven-hospital system.  Bethel resident Katie Cullinan, who has 25 years of experience as a human resources professional, was promoted from her role as Vice President of Strategic Business Partnering & HR Governance. Cullinan began working for Western Connecticut Health Network in 2016. She previously managed large complex acquisitions, divestitures and integrations for GE Capital.