JPMorgan plays to hire about 1,300 advisors in its wealth management division in the next three years. : (Bloomberg) -- Lili Buffett, the granddaughter-in-law of Warren Buffett, is one of JPMorgan Chase & Co.’s newest employees. She started at the biggest US bank on Monday, according to a post on her Instagram account. She will be a part of the firm’s US wealth-management unit, according to a person familiar with the matter, who requested anonymity as the details aren’t public. A JPMorgan representative declined to comment. Lili Buffett didn’t immediately reply to requests for comment.