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Chief Operating Officer (COO): Definition, Types, and Qualifications
What is the role of a COO? | McKinsey
What Is A Chief Operating Officer? - Forbes
The role of the chief operating officer | McKinsey
Chief operating officer - Wikipedia
What does a COO do? - CareerExplorer
Chief Operating Officer (COO): Role and Responsibilities
Understanding the role of the COO - McKinsey & Company
Chief Operating Officer (COO): Everything You Need to Know …