International law firm Weil, Gotshal & Manges has announced that Henry Ong and Jasson Han have joined the firm’s Hong Kong office.

Ong joins Weil’s Corporate Department as a partner from the Hong Kong office of Simmons & Simmons, where he worked for 9 years as a partner in its corporate team. He has extensive experience advising on a broad range of complex mergers and acquisitions transactions and securities offerings, including transactions in the TMT and financial services industries.

Ong is a U.K.- and Hong Kong-qualified lawyer and has particular expertise with transactions involving public companies in Hong Kong, including matters involving Hong Kong listing, takeover, and securities rules and regulations. Local Hong Kong law firm Henry Ong & Co., of which Mr. Ong is the sole principal, will be in association with Weil upon approval of the Hong Kong Law Society.

Han joins Weil as a partner-level senior consultant from Simmons & Simmons’ Hong Kong office. He has advised numerous major state-owned enterprises, multinational corporations, and privately owned companies based in the People’s Republic of China on PRC-related corporate, securities, and transactional law matters. Han has significant experience advising clients in the energy, telecommunications, and consumer products industries. A qualified PRC lawyer, Han was previously a partner at Jun He Law Office, a leading PRC law firm. He will divide his time between Weil’s Hong Kong and Beijing offices.