Luke BarrettLuke Barrett, senior VP at Abernathy MacGregor, has moved to TPG Capital private equity firm as external affairs director in New York.

The eight-year veteran of the Havas property takes over for Adam Levine, who was let go for allegedly leaking confidential documents to the media.

TPG and Levine have been squabbling via lawsuits.

Barrett has provided financial and corporate counsel to Walmart, PepsiCo, SAB Miller and Vodafone.

He also handle M&A deals such as Hudson Bay's acquisition of Saks and JAB's move on the coffee business of Mondelez International.