Energy and resources specialist Simon Panegyres was previously a principal at Allion Legal.
Real estate specialist Ricky Yiu was previously a partner in the Hong Kong office of Baker & McKenzie.
Projects lawyer Geoffrey Grice has moved over from Herbert Smith Freehills.
Banking and finance lawyer Geoff Stevens is joining from Western Australian firm Lavan Legal.
Lee Travis Benjamin was previously a special counsel at Baker & McKenzie.
Jong Baek Park has made the jump from Seoul-based firm Apex, where he was managing partner.
Jill Wong is joining the firm's disputes resolution group from King & Wood Mallesons.
Kevin Tong was previously a partner in the Hong Kong office of King & Wood Mallesons.
Chinawat Assavapokee, previously a partner with Baker & McKenzie, advises on tax issues relating to foreign direct investment and other cross-border transactions.
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.