Former Hogan Lovells partner Gabriela Kennedy will also head Mayer Brown JSM's regional technology, media, and telecommunications practice.
The Chinese state-oiled giant's recent $3.5 billion issue followed one in April of equal size.
A consortium headed by U.S. private equity giant Blackstone Group is paying $625 million for Beijing-based Pactera Technology.
Shanghai-based Greenland Holding Group Co.'s acquisition of a majority stake in Brooklyn's Atlantic Yards project is the largest U.S. real estate deal by a Chinese company to date.
Grocery chains Wumart and C.P. Lotus are purchasing stakes in each other in a $748 million combination.
The Nasdaq-listed Chinese online travel site said it would use the proceeds from its convertible bond issue to increase working capital.
Ralls Corp. had claimed that it was denied due process when its purchase of several Oregon wind farms located near a naval installation was blocked by the president and the Committee on Foreign Investment in the United States.
The private client boutique said it was sending international finance head Denis Petkovic in response to demand for corporate advice from wealth planning and other clients.
The state-owned oil company will use the proceeds to finance its $1.93 billion acquisition of the Queensland Curtis liquefied natural gas project in Australia.
The shifting market, a series of departures and leadership changes—in the U.S. as well as Asia—have raised questions about the firm's Asia strategy. But chairman Bradley Butwin insists that O'Melveny's commitment to Asia is as strong as it ever was.