Related Clues:
- Co.'s top dog
- Tim Cook, at Apple
- Team leader: Abbr
- Head honcho, briefly
- G.M.'s Mary Barra, beginning in 2014
- One who may signal to a bullpen: Abbr
- Secret Service's charge: Abbr
- David Gill's role at Man United
- Peter Kenyon role at Old Trafford and then Stamford Bridge
- Boss on Air Force One: Abbr
- Apple's Tim Cook, e.g
- Air Force One passenger: Abbr
- One aboard Marine One: Abbr
- Zuckerberg title
- Mark Zuckerberg title