John A. Canning Jr. is a private equity investor and sports executive. He is the founder and chairman of Madison Dearborn Partners, the large Chicago-based...

John Fitzgerald Kennedy Jr. (November 25, 1960 – July 16, 1999), often referred to as John-John or JFK Jr., was an American attorney, journalist, socialite...

Robert John Downey Jr. (born April 4, 1965) is an American actor. His films as a leading actor have grossed over $14 billion worldwide, making him one...

John Warnock Hinckley Jr. (born May 29, 1955) is an American man who attempted to assassinate U.S. President Ronald Reagan as he left the Hilton Hotel...

founded in 1992 and is based in Chicago, Illinois. The founders, John A Canning Jr, Paul J. Finnegan, Samuel M. Mencoff, and Nicholas W. Alexos, had...

John Forbes Nash, Jr. (June 13, 1928 – May 23, 2015), known and published as John Nash, was an American mathematician who made fundamental contributions...

On July 16, 1999, John F. Kennedy Jr. was killed when the light aircraft he was flying crashed into the Atlantic Ocean off Martha's Vineyard, Massachusetts...

Henry John Deutschendorf Jr. (December 31, 1943 – October 12, 1997), known professionally as John Denver, was an American singer and songwriter. He was...

John Glover Roberts Jr. (born January 27, 1955) is an American jurist who has served since 2005 as the 17th chief justice of the United States. He has...

John Francis Bongiovi Jr. (born March 2, 1962), known professionally as Jon Bon Jovi, is an American singer, songwriter, guitarist, and actor. He is best...

John Herschel Glenn Jr. (July 18, 1921 – December 8, 2016) was an American Marine Corps aviator, astronaut, businessman, and politician. He was the third...

John Franzese Jr. (born 1960/61), now living as Mat Pazzarelli, is an American former mobster and associate of the Colombo crime family, and son of former...

John Davison Rockefeller Jr. (January 29, 1874 – May 11, 1960) was an American financier and philanthropist. Rockefeller was the fifth child and only...

Donald John Trump Jr. (born December 31, 1977), often nicknamed Don Jr., is an American businessman. He is the eldest child of former U.S. president Donald...

Robert Francis Kennedy Jr. (born January 17, 1954), also known by his initials RFK Jr., is an American politician, environmental lawyer, anti-vaccine activist...

John David Dingell Jr. (July 8, 1926 – February 7, 2019) was an American politician from the state of Michigan who served as a member of the United States...

John Felix Anthony Cena (/ˈsiːnə/ SEE-nə; born April 23, 1977) is an American actor and professional wrestler. As a wrestler, he has been signed to WWE...

Hammond, he is sometimes referred to as John Hammond Jr. Hammond is a son of record producer and talent scout John H. Hammond and his first wife, Jemison...

John Bowden Connally Jr. (February 27, 1917 – June 15, 1993) was an American politician who served as the 39th governor of Texas (1963–1969) and as the...

John David Podesta Jr. (born January 8, 1949) is an American political consultant who has been serving as Senior Advisor to the President for International...

John Wilden Hughes Jr. (February 18, 1950 – August 6, 2009) was an American film director, producer and screenwriter. He began his career in 1970 as an...

John Moschitta Jr. (born August 6, 1954), also known as "Motormouth" John Moschitta and The Fast-Talking Guy, is an American actor, singer and spokesman...

John Wright Hickenlooper Jr. (/ˈhɪkənluːpər/ HIK-ən-loop-ər; born February 7, 1952) is an American politician, geologist, and businessman serving as the...

Executive Chairman of ESPN former President of ESPN and ABC Sports John Canning, Jr. - Chairman, Madison Dearborn Partners Mark Dalton - CEO of the Tudor...

John B. King Jr. (born January 5, 1975) is an American educator, civil servant, and former state and federal government official who is the 15th Chancellor...

Eugene Paul Getty; 7 September 1932 – 17 April 2003), known widely as John Paul Getty Jr., was a British-American philanthropist and book collector. He was...

John Wayne Gacy (March 17, 1942 – May 10, 1994) was an American serial killer and sex offender who raped, tortured, and murdered at least 33 young men...

John Frederick Robinson (born December 29, 1954), known professionally as JR, is an American drummer and session musician who has been called "one of the...

John Patrick McEnroe Jr. (born February 16, 1959) is an American former professional tennis player known for his shot-making and volleying skills, his...

has served as co-CEO since 2007, when fellow co-founder and then-CEO John Canning Jr. was looking to buy the Chicago Cubs. Finnegan is also a director at...