Douglas 'Sandy' Warner (born June 9, 1946, as Douglas Alexander Warner III but widely known as "Sandy") is an American banker who joined Morgan Guaranty Trust Company of New York out of college in 1968 as an officer's assistant and rose through the ranks to become chief executive officer and chairman of the board of J.P. Morgan & Co. Inc. in 1995.

For example, Warner's father served as a trustee of the Cincinnati Music Hall Association and Art Museum and chaired the United Appeal one year.

Warner's grandfather (and namesake) ran his own insurance firm and was active in local golfing circles.

During his time at Yale, Warner became friends with the future President George W. Bush through then-Yale ice hockey player Roland W. Betts - now owner of the multimillion-dollar Chelsea Piers Sports & Entertainment Complex.

[12] First, Warner was in charge of United Kingdom and Scandinavian banking operations and then became the head of oil and gas lending for the region.

[8] In becoming the general manager of the London office and Morgan's senior executive in the United Kingdom in 1986, Warner received extensive experience in U.S. and international corporate finance.

[14] After rising through the ranks in various positions in London and New York City, Warner succeeded Dennis Weatherstone in 1995 as Morgan's youngest CEO ever at age 49.

[5] Warner may be best known for spearheading the sale of J P Morgan & Co. to Chase Manhattan Bank through its then CEO William Harrison for $30.9 billion.

One of his biggest cultural marks on J.P. Morgan was the creation of the "House Arrest" group, a dozen or so senior executives who met monthly to discuss management issues.

As an alumnus of The Hill School, Warner had proven himself "to be an exemplary leader and true role model for students in his vocation.