West Indian opening batsman Chris Gayle will appear for the Sydney Thunder side in Australia's Big Bash League.
Gayle was widely tipped to join the western Sydney franchise, and is sure to light up ANZ Stadium when the inaugural Twenty20 tournament starts later this year.
Warner, who is in Zimbabwe, said of his signing: "I am extremely happy to sign with the Sydney Thunder, and I'm looking forward to walking out to represent the electric greens."
"The KFC Big Bash League is a great concept and I'm sure there will be good rivalry with the Sixers across town. ANZ Stadium is a fantastic place to play cricket at and I have some great memories there," he added.
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