JPMorgan vice chairman Jimmy Lee has unexpectedly died, the company announced in a statement.
Lee, a veteran banker involved in the industry for over 40 years, had led the company's investment banking arm and had recently worked on the record-breaking Alibaba IPO.
In a statement chief executive Jamie Dimon described Lee as a "beloved friend and colleague" and said:
It is with deep sorrow and heavy heart that I inform you that our beloved friend and colleague, Jimmy Lee, unexpectedly passed away this morning.
As Vice Chairman of our company and former head of our Investment Bank, Jimmy made an indelible and invaluable contribution to our company, our people, our clients and our industry over his nearly 40 years of dedicated and selfless service. Jimmy was a master of his craft, but he was so much more - he was an incomparable force of nature.
Lee is survived by his wife and three children.