New York-based Jefferies Financial Group Inc. appointed Jun Wu to head up the company's health care coverage in Asia, unidentified sources told Bloomberg News.

He most recently served as co-head of Asia-Pacific health care at JPMorgan Chase & Co. He replaces Jielun Zhu, who exited to take on the CFO job at I-Mab Biopharma Co., the news outlet reported.

Alex Yuen, who most recently served as executive director within JPMorgan's equity capital markets team in Asia, is also coming to Jefferies Financial, according to the news article.