Besides Sri Srinivasan (1967), former Principal Deputy Solicitor General 2011-2013, a position once filled by current Supreme Court Chief Justice John Roberts, the other Obama-appointed DC circuit judges are:
Patricia Ann Millett (1963), formerly of the 4th Circuit (2010-2013)
Nina Pillard (1961)
Robert L. Wilkins (1963), formerly of the DC District Court (2010-2014)
There's a Wikipedia page about the other possibles:
https://en.wikipedia.org/wiki/Barack...urt_candidates