Debevoise & Plimpton LLP is advising Perella Weinberg Partners, LP as financial advisor to Willis Group Holdings in its merger with Towers Watson for an implied combined equity value of approximately $18 billion. The transaction has been unanimously approved by the Board of Directors of each company. The combined company will be named Willis Towers Watson.

Perella Weinberg Partners is a leading independent financial services firm. Established in 2006, the firm provides advisory and asset management services to a global client base, including corporations, institutions and governments.

The Debevoise team is led by partner Gregory V. Gooding and includes associate Usman Arain.

Debevoise & Plimpton LLP is a premier law firm with market-leading practices, a global perspective and strong New York roots. The firm’s commercially savvy lawyers regularly lead strategic transactions and complex disputes for world-class clients.