Jarvis Joseph Astaire, OBE, (born October 6, 1923 in London) is a British sports executive, former boxing promoter and film producer.
 He was the leading boxing promoter in the United Kingdom from the 1950s to the 1980s.
 He co-promoted with Harry Levine and matchmaker Mickey Duff.
 Astaire produced "Agatha".
 He has been Consultant to the Sport Division of First Artist Corp. plc since February 2009.
Wasfi Tolaymat (born May 21, 1954, in Syria) is a Chicago businessman and boxing manager who owns and operates the Chicago Fight Club Boxing Gym.
 He works with his wife, Chicago boxing promoter Cynthia Tolaymat [who owns Chicago Fight Clubs Promotion LLC and specializes in the promotion of boxing and mixed martial arts] to put on amateur and professional boxing shows in Chicago.
 A Jordanian immigrant, Wasfi Tolaymat is the owner of Sibley Supply, a store fixtures and restaurant equipment supply company in the Chicago area.
 He resides with his wife and five children in Chicago.
 Before immigrating to the United States in 1978, Tolaymat was an international bus driver covering routes between Syria, Iraq, Saudi Arabia, Kuwait, and Lebanon.
 He later opened a successful driving school and an Arab coffee shop in Chicago.
 He is also known for his appearances as 'The Cowboy' (the man in the cowboy hat) annually at the International Boxing Hall of Fame induction ceremonies weekend in Canestota, New York.
Richard John Hatton, {'1': ", '2': ", '3': ", '4': "} (born 6 October 1978) is a British former professional boxer who competed from 1997 to 2012, and has since worked as a boxing promoter and trainer.
 During his boxing career he held multiple world championships at light-welterweight and one at welterweight.
 Hatton is ranked by BoxRec as the best British light-welterweight of all time, the third best in Europe, and eleventh best worldwide.
 In 2005 he was named Fighter of the Year by "The Ring" magazine and the Boxing Writers Association of America.
Ceferino Montano Garcia (August 26, 1906 – January 1, 1981) was a champion boxer born in Naval, Biliran, Philippines.
 He holds the most victories ever achieved by a Filipino boxer and is also the only boxer from the Philippines to become world champion in the middleweight division.
 Garcia is commonly credited to as the first well known user of the bolo punch, which was later popularized by Cuban fighter Kid Gavilan.
 He was inducted into the Ring Magazine Hall of Fame in 1977 and the World Boxing Hall of Fame in 1989.
William J. Gibson (1876–1947) was a boxing promoter and manager for Benny Leonard (a former Lightweight champion), Gene Tunney (a former Heavyweight champion), Paulino Uzcudun, and featherweight Louis Kaplan.
 He was also the owner of the short-lived New York Brickley Giants of the National Football League.
 Gibson began his career in boxing as a promoter in Bronx.
 He teamed up with Leonard in 1914 and was his manager up until the 1917 lightweight championship.
 In 1923, Gibson became the manager of Tunney, who would go on to win the heavyweight title.
 Gibson retired in 1928.
Mike Tetteh (born January 24, 1960, Accra, Ghana, Africa) is a well known African businessman, professional boxing promoter, matchmaker and manager in Ghana and the African continent, nicknamed 'The Don King of Ghana'.
 Tetteh formed Goldenmike Promotions (to relation to Golden Boy Promotions) in July 2003, and has promoted 34 amateur and professional boxing shows in Africa to date.
 Tetteh was named 'Boxing Promoter of the Year' in Ghana in 2010 and 2011.
Finbar Patrick 'Barry' McGuigan MBE (born 28 February 1961) is an Irish retired professional boxer and current boxing promoter.
 Born in Clones, County Monaghan, Ireland, McGuigan was nicknamed "The Clones Cyclone" and became the WBA and lineal featherweight world champion.
 He was very popular with Irish and British audiences, representing neutrality and peace in a time when Northern Ireland, where he lived, was divided by The Troubles.
 In 2005 he was inducted into the international boxing hall of fame.
 His famous family relation was a member of the Navy known as "davy fae the Navy", who rattled him up the ring.
Felix "Tuto" Zabala (born October 18, 1956) is a Miami-based former boxing promoter and manager.
 He was a promoter and manager of about 50 fighters for forty years, handling world champions, contenders, and weaker fighters.
 Boxing historian Hank Kaplan considers him “the best promoter in Miami”.
 He was also inducted into the "Florida Boxing Hall of Fame" as part of the "Class of 2009".
Ernest Cutler Price (February 2, 1891 – August 7, 1942) better known as Jack Dillon, was an American boxer who held the Light Heavyweight Championship of the World.
 Dillon was often referred to as "Jack the Giant Killer" for his ability to handle the most dangerous heavyweights of his era.
 Ring Magazine founder Nat Fleischer ranked Dillon as the #3 Light Heavyweight of all-time, while boxing promoter Charley Rose placed him at #2.
 The International Boxing Research Organization rates Dillon as the 16th best Light-Heavyweight ever.
 He was inducted into the Ring Magazine Hall of Fame in 1959 and the International Boxing Hall of Fame in 1995.
 His managers included Sam Murbarger, and later Steve Harter.
James Joseph "Gene" Tunney (May 25, 1897 – November 7, 1978) was an American professional boxer who competed from 1915 to 1928.
 He held the world heavyweight title from 1926 to 1928, and the American light heavyweight title twice, from 1922 to 1923.
 A highly technical boxer, Tunney had a five-fight rivalry with Harry Greb in which he won three, drew once, with one loss.
 He also knocked out Georges Carpentier and defeated Jack Dempsey twice; first in 1926 and again in 1927.
 Tunney's successful title defense against Dempsey remains one of the most famous bouts in boxing history and is known as The Long Count Fight.
 He retired undefeated as a heavyweight after his victory over Tom Heeney in 1928, after which Tunney was named Fighter of the Year by "The Ring" magazine.

Question: Billy Gibson was the boxing promoter to which boxer born on May 25, 1897 ?
Answer: Gene Tunney