chief operating officer
noun/ˌtʃiːf ˈɒpəreɪtɪŋ ɒfɪsə(r)/
/ˌtʃiːf ˈɑːpəreɪtɪŋ ɑːfɪsər/
(also chief operations officer
/ˌtʃiːf ɒpəˈreɪʃnz ɒfɪsə(r)/
/ˌtʃiːf ɑːpəˈreɪʃnz ɑːfɪsər/
)(abbreviation COO)
- the person who manages the day-to-day activities or work of a company or other institution
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chief operating officer