Chammah (born April 12, 1954, Lebanon) is a former Morgan Stanley executive.
He was Co-Managing Director of Morgan Stanley Worldwide and Chairman of Morgan Stanley International.
Walid Chammah served as a member of the Morgan Stanley Management and Operating Committees.
In January 2012, the company announced internally that Chammah was retiring and would become a senior advisor to the firm.Between September 2007 and December 2009, Chammah was Co-President of Morgan Stanley, overseeing the Firm's Institutional Securities business and operations.
He was based in London.Chammah is a private advisor to Igor Sechin, president of Rosneft.
Chammah is chairman of Rosneft’s Management Board and a member of the Supervisory Board of Rosneft Bank.