What qualities would make a good liberal Secretary of Treasury?

Do they just to be a good economist or what? Who are some knowledable people that have presented solutions that become the next Secretary of the Treasury?What qualities would make a good liberal Secretary of Treasury?
Attention to detail and a pretty signature.What qualities would make a good liberal Secretary of Treasury?
I would say liberal or conservative shouldn't enter the job description but rather, Practical,or even handed.I wouldn't want my Bank's Chief Operating Officer to favor one group over another.
No heartbeat.
Well, they have to have a better solution than ';Print more money!';