Bill Koch (businessman)

Bill Koch
Koch in 1992
Born	William Ingraham Koch (1940-05-03) May 3, 1940 (age 84) Wichita, Kansas, U.S.
Education	Massachusetts Institute of Technology (SB, SM, PhD)
Occupation(s)	Businessman, sailor, and collector
Spouses	Joan Granlund ​ ​ (m. 1994, divorced)​ Angela Browder Gauntt ​ ​ (m. 1996; div. 2000)​ Bridget Rooney ​ (m. 2005)​
Children	5
Parents	Fred C. Koch Mary Robinson
Relatives	Frederick R. Koch (brother) Charles Koch (brother) David Koch (twin brother)

William Ingraham Koch (/koʊk/ KOHK; born May 3, 1940) is an American billionaire businessman, sailor, and collector. His boat was the winner of the America's Cup in 1992. Forbes estimated Koch's net worth at $1.8 billion in 2019, from oil and other investments.^[1]