Yes you do; it is an acronym.
Yes
Acronyms should always be capitalized (although take care when you pluralize them: the 's' should remain lower case). As to using periods, generally they are not used for acronyms based on initials, such as CEO. Therefore, "CEO" as you have written it in the question is correct.
At the beginning of a sentence and when it forms part of the proper noun or when it precedes a person's name. Example: Chief Executive Officer Peter
According to the University of South Carolina Editorial Style Guide:All conferred and traditional, educational, occupational, and business titles when used specifically in front of the name; do not capitalize these titles when they follow the name.President Harris Pastides, University of South CarolinaLes Sternberg, deanProfessor T.S. Sudarshan is chair of the Department of Electrical Engineering.Note: In tabular matter and addresses, these titles may be capitalized regardless of location.Exception: When a word such as former is used in conjunction with a title and name, the title does not get capitalized, as it is considered part of a compound adjective (i.e. former president Andrew A. Sorensen).
CEO
The Deputy CEO is the person who stands in if the CEO is absent.
"President and CEO"
No, seasons are not capitalized.
Yes, Was it a dog? Hahaha It WAS capitalized! Was can be capitalized.
Microsoft (satya nadella) Nokia (CEO rajeev suri) Toyota (CEO Akio Toyoda) Intel (CEO Brain Krzanich) Coca Cola (CEO muhtar kent) Sony (CEO kazuo hirai) IBM (CEO Ginni rometty) general motors (ceo mary T.Barra ) General Electric (CEO Jeffery Immelt) Nike (CEO Mark Parker) Citigroup (CEO michael corbat) Hewlett-Packard (CEO meg Whitman) Samsung (CEO Dr.oh-Hyun Kwon) Oracle (CEO Larry Ellison) Cisco (CEO John T.Chambers) Epson (CEO john Lang) Logitech (CEObracken P.Darrell) Canon (CEO Fujio Mitarai) Dell (CEO Michael S. Dell) LG Electronics (CEO Bon-moo Koo) Acer (CEO jason chen )
Yes, a company may choose an internal or external candidate to replace a CEO. The deputy CEO is one of the possible internal choices for CEO.
CEO