List of IBO world champions Heavyweight, Name of the who held the IBO title International Boxing Organization, heavyweight champion, flyweight champion, welterweight rankings, IBO rankings.
The International Boxing Organization (IBO) is a business located in the United States that sanctioned professional boxing events and awarded world and regional championships.
It is a well-known independent organization that is not recognized by the “big four” regulatory bodies (WBA, WBC, IBF, and WBO), which only acknowledge each other in their rankings and championship unification regulations.
The British Boxing Board of Control, the European Boxing Union, BoxRec, and BoxingScene all accept it as a legitimate world title, although The Ring magazine does not.
List of IBO world champions Heavyweight
John W. Daddono started the IBO in 1988 and incorporated it in Illinois in 1992. The group was later relocated to Florida in 1997 and incorporated there. At the time, Ed Levine, who is now the organization’s President, became a partner and President of the IBO.
In the late 1990s, the organization garnered accolades for establishing a computerized method called ‘The Independent World Boxing Rankings,’ which eliminated subjective factors from the ratings in an effort to give the sport more respect.
| No. | Name | Duration of reign | Defences |
|---|---|---|---|
| 1 | Pinklon Thomas | Nov 14, 1992 – Jan 29, 1993s | 0 |
| 2 | Lionel Butler | Feb 23, 1993 – Mar 1993r | 0 |
| 3 | Danell Nicholson | Aug 4, 1994 – Oct 1994r | 0 |
| 4 | Jimmy Thunder | Oct 29, 1994 – Jul 16, 1995r | 2 |
| 5 | Brian Nielsen | Jan 12, 1996 – Jun 18, 1999s | 5 |
| 6 | Lennox Lewis | Nov 13, 1999 – Apr 22, 2001 | 3 |
| 7 | Hasim Rahman | Apr 22, 2001 – Nov 17, 2001 | 0 |
| 8 | Lennox Lewis (2) | Nov 17, 2001 – Feb 6, 2004r | 2 |
| 9 | Wladimir Klitschko | Apr 22, 2006 – Nov 28, 2015 | 18 |
| 10 | Tyson Fury | Nov 28, 2015 – Oct 12, 2016r | 0 |
| 11 | Anthony Joshua | Apr 29, 2017 – Jun 1, 2019 | 3 |
| 12 | Andy Ruiz Jr. | Jun 1, 2019 – Dec 7, 2019 | 0 |
| 13 | Anthony Joshua (2) | Dec 7, 2019 – Sep 25, 2021 | 1 |
| 14 | Oleksandr Usyk | Sep 25, 2021 - present | 1 |
Since 2014, the IBO has using Boxrec, an independent boxing records keeper and automated rankings website, to establish its rankings. Many well-known champions have held and continue to hold the World championship of the International Boxing Organization.
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