Corporate hotshot (4)
I believe the answer is:
exec
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">corporate hotshot</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for exec that I've seen before include "suit" , "Businessman" , "Senior businessperson (abbr)" , "Senior manager (abbr)" , "Business manager (abbrev.)" .)