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Chief Operating Officer (COO): Definition, Types, and Qualifications
COO | English meaning - Cambridge Dictionary
COO | definition in the Cambridge English Dictionary
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Chief operating officer - Wikipedia
The role of the chief operating officer | McKinsey
What is the role of a COO? | McKinsey
Understanding the role of the COO - McKinsey & Company
What does a COO do? Duties and Salaries | Indeed.com UK
Chief Operating Officer (COO): Everything You Need to Know …