Money manager (9)
I believe the answer is:
financier
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">money manager</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for financier that I've seen before include "One handling money" , "Investor" , "expert on money matters" , "One dealing in big money" , "Gnome" .)