Their tenures in these positions often far out ran the tenure of the president that appointed them. But because they were largely nameless and faceless they got very little attention. Obama's appointments to the judiciary are a near textbook example of that. Few can name any of them.
One Presidential appointment that is likely to be overlooked by pundits, but, for the long-term health of our economy, is equally important to include in this set is that of Presidential Science Advisor.