Stuart S. Janney III

Stuart S. Janney III (born August 31, 1948) is an American heir, lawyer, financier, and horseman.

Stuart S. Janney III was born on August 31, 1948, in Baltimore, Maryland, to Barbara Phipps (1911–1987) and Stuart Symington Janney Jr. (1907–1988). He has three sisters, Mrs. Rufus Williams, Mrs. William Trimble, and Mrs. Boykin Rose.

His maternal grandparents were Gladys Livingston Mills (1883–1970), a socialite, thoroughbred racehorse owner, and breeder who formed Wheatley Stable with her brother Ogden L. Mills in 1926 (children of Ruth née Livingston and Ogden Mills), and Henry Carnegie Phipps (1879–1953), sportsman and financier who was a son of Henry Phipps Jr., a partner in the Carnegie Steel Company. His paternal grandparents were Stuart Symington Janney (1874–1940) and Frances Moale (née Spencer) Janney (1882–1945).

Janney graduated from the Gilman School in Baltimore, Maryland, and the University of North Carolina at Chapel Hill. He later received his J.D. from the University of Maryland School of Law.

Janney was a Partner at the law firm Niles, Barton & Wilmer in Maryland. He served as a legislative assistant to Charles Mathias (1922—2010), special assistant to the United States Secretary of State, and foreign policy assistant to U.S. Senator Howard Baker (1925—2014).

Janney served as Managing Director of Alex. Brown & Sons from 1986 to 1994, the first investment bank in the United States founded in 1800 in Baltimore, Maryland, and Brown Advisory. He has served on the Boards of Directors of Superior Essex, one of the largest wire and cable manufacturers worldwide, the Graphic Controls Corporation, a medical product company as well as King Ranch, Identity Group, Pride Manufacturing Company, LLC, and Keystone Foods Holdings, The Rouse Company.

Janney is Chairman of the Board of the Bessemer Trust, a wealth management and investment advisory firm for high-net-worth families.

Janney sits on the Board of Trustees of Johns Hopkins University and the Maryland Zoological Society.

In 1988, Janney inherited the family stable and decided to move the breeding operation from Glyndon, Maryland to Claiborne Farm, where Seth W. Hancock (b. 1949) could take care of it.

Janney serves on the Boards of Trustees of the Keeneland Association, the New York Racing Association, and The Jockey Club. In 2013, his horse Orb won the Kentucky Derby.

Janney is married to Lynn B. Janney and resides in Butler, Maryland. They have a son, Matthew Stuart Janney, who launched a luggage line called "Stuart & Lau" in 2016, and a daughter, Emily Janney, who married Nicholas Elliot in 2011.