Kirkland & Ellis Hong Kong partner David Yun has left the firm and joined Simpson Thacher & Bartlett as a senior counsel, according to the latter firm's website.

He acts for multinational companies, private equity sponsors and financial institutions on mergers and acquisitions, divestments, joint ventures and corporate finance deals. He also advises on structured and debt financings, securities offerings and corporate governance issues. In 2018, he was part of Kirkland's team advising Chinese fintech platform Yunfeng Financial Group on a $1.3 billion acquisition of Hong Kong insurance business MassMutual Asia.