Rudy Giuliani joining law firm Greenberg Traurig

Former New York Mayor Rudy Giuliani is joining international law firm Greenberg Traurig as chair of its cybersecurity and crisis-management practice.

Giuliani is leaving Houston law firm Bracewell & Giuliani, which will rename itself Bracewell. In 2005, Giuliani helped open a New York office for the firm.

Greenberg Traurig said Tuesday that Giuliani will work with its government-regulatory, cybersecurity and data-privacy lawyers. He'll also advise Executive Chairman Richard Rosenbaum.

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