Joanne Lim has been promoted to APAC head of trading at Jain Global. She is based in Hong Kong.
Jain Global, founded by ex-Millennium Management chief investment officer Bobby Jain, began trading in 2024.
James O’Callaghan is head of trading at the firm, based in London.
According to the company’s most recent 13-F filings, as of 31 December 2025 Jain Global holds ​​US$10.7 billion in assets under management.
Lim has been a senior trader at Jain Global since 2024. Prior to this, she was a senior trader at Balyasny Asset Management.
READ MORE: Jain Global raises US$5.3bn, continues aggressive hiring policy
Her more than 15-year career also includes time as an algorithmic and portfolio trader at AB Bernstein, and a sales trader at Societe Generale Corporate and Investment Banking and CITC Securities Company.
