said David Heleniak, a senior partner at law firm Shearman & Sterling, will join the company as a vice chairman, managing director and member of the management committee.
Prior to becoming senior partner at Shearman & Sterling, Heleniak headed the firm's mergers and acquisitions group.
"We are very proud and happy that David is joining Morgan Stanley," said Chairman and Chief Executive Philip Purcell. "We have known and worked with him on some of the largest, most complex and industry-defining transactions of our time, and we have long admired his intellect, his commitment to excellence and his dedication to his clients. For these reasons, and for many others, we know he will fit in very well at Morgan Stanley."
Shares of Morgan Stanley closed New York Stock Exchange trading Tuesday at $49.42 a share.