JPMorgan Chase & Co. board member Jim Crown died on Sunday in an accident, it said in a memo from JPMorgan's CEO Jamie Dimon which was seen by Reuters. "He was an integral part of JPMorgan Chase and our lives, and his presence will be deeply missed," Dimon said in a message to the board of directors. Crown, 70, was also the chairman and chief executive officer of Henry Crown and Co, a privately owned company that invests in public and private securities, real estate, and operating companies.