Oxford Dictionary English CEO abbreviationabbreviation BrE BrE//ˌsiː iː ˈəʊ// ; NAmE NAmE//ˌsiː iː ˈoʊ// Business people, Job titles Add to my wordlistjump to other resultschief executive officer (the person with the highest rank in a business company) Wordfinderbusinessmanaccountant, agent, auditor, businessman, CEO, chairman, consultant, entrepreneur, executive, manager See related entries: Business people, Job titlesSee CEO in the Oxford Learner's Dictionary of Academic EnglishSee CEO in the Oxford Advanced American DictionaryCheck pronunciation: CEO oxfordlearnersdictionaries.com