Haley announced the departures on her Twitter account. Gone are Haley's chief of staff, Steven Groves, and Communications Director Jonathan Wachtel, she said Wednesday.
"Both Jonathan & Steve have recently encountered family concerns. They will always be a part of the team & dear friends," Haley said in a tweet responding to news reports the two men were leaving.
Haley's role at the United Nations received international attention last week when she helped persuade reticent members of the Security Council -- particularly China and Russia -- to pass tough new economic sanctions against North Korea.
Replacements for Groves and Wachtel have not yet been announced.