I'll start:

>Big Game Hunter
shoot a CEO with a net worth of more than 100 million dollars
>Golden Bullet
shoot a CEO with a net worth of more than 1 billion dollars
>Killionaire
shoot a CEO with a net worth of more than 100 billion dollars
>squatters rights
shoot a CEO who rents out property
>little Mao
shoot a CEO who rents out at least 10,000 properties
>Two birds...
Shoot a CEO who is the head of at least two different companies
>...one stone
Shoot two CEOs from the same company
>Edisons revenge
Shoot the CEO of Tesla
>Dust and Echoes
Shoot the CEO of Microsoft
>Treehugger
Shoot the CEO of Nestle
>Hoisted by their own petard
Shoot the CEO of a gun manufacturer
>/k/ommando
Shoot a CEO with an obscure calibre
>Contrarian
Shoot a CEO with something other than a gun