Question: Who is the president of organization that Forrest Griffin vs. Stephan Bonnar was thought to be one of the greatest fights in history?

Context paragraphs:
Matt Serra: Matthew John Serra (born June 2, 1974) is an American former professional mixed martial artist, Brazilian Jiu-Jitsu practitioner who competed for the Ultimate Fighting Championship and stand up comic.  He currently serves as a UFC on FOX analyst.  Serra defeated Pete Spratt, Shonie Carter and Chris Lytle en route to becoming The Ultimate Fighter 4 Welterweight Tournament Winner.  He captured the UFC Welterweight Championship immediately after, becoming the first of only four to win both accolades (along with Forrest Griffin, Rashad Evans, Michael Bisping).  Serra also served as the head coach for "The Ultimate Fighter 6" reality show opposite Matt Hughes.  In Brazilian Jiu-Jitsu, Serra holds a Silver Medal in the ADCC Submission Wrestling World Championship.

Ultimate Fighting Championship: The Ultimate Fighting Championship (UFC) is an American mixed martial arts organization based in Las Vegas, Nevada, that is owned and operated by parent company WME–IMG.  It is the largest MMA promotion in the world and features the top-ranked fighters of the sport.  Based in the United States, the UFC produces events worldwide that showcase eleven weight divisions and abide by the Unified Rules of Mixed Martial Arts.  As of 2017, the UFC has held over 400 events.  Dana White serves as the president of the UFC.  He has held that position since 2001; while under the leadership of Dana White the UFC has grown into a globally popular multibillion-dollar enterprise.

Keith Jardine: Keith Hector Jardine (born October 31, 1975) is an American actor and retired mixed martial artist.  Jardine was known for upset victories in bouts he took at short notice against highly rated fighters.  His best wins were in contests with former UFC Light Heavyweight Champions and UFC Hall of Famers Chuck Liddell and Forrest Griffin.  Jardine's unorthodox attacking style wrongfooted opponents, but left him vulnerable in some career-crucial contests, and by his mid 30's he had effectively retired from competing to concentrate on a 'Paleo' business venture.  Building on experience as a stuntman and in non-speaking parts, Jardine has established himself as an actor in film and television.

Country McCleester: George "Country McCloskey" McCheester or John McCleester (fl.  1841-1850) was an American bare-knuckle boxer and sportsman involved in the early history of pugilism and prize fighting in Old New York.  A well known fighter in his youth, his 1841 bout with Tom Hyer at Caldwell's Landing reportedly lasted nearly 3 hours and went to 101 rounds before the "Pride of Chatham Square" seconds threw up the sponge.  Considered one of the greatest fights in the city's history, Hyer was recognized as the top fighter in the United States and awarded the American heavyweight championship.  He and Yankee Sullivan were part of a group of promoters arrested following the death of boxer Thomas McCoy who died during a match against Christopher Lilly in Westchester County on September 13, 1842.  Sullivan, who was the main promoter, was sentenced to two years in prison while McCleester and the others received light jail sentences or fines.  McCleester had served as one of the cornermen during the bout.

Rory Singer: Rory Michael Singer (born May 28, 1976) is an American mixed martial artist.  Although Rory had begun making a name for himself as a 185-pound prospect; his big break came after meeting the producers of TUF.  They were filming Forrest Griffin at The HardCore Gym for his fight against Stephan Bonnar in the finals of season 1.  Forrest went on to win Season 1 and Rory was approached soon after to appear on Season 3.

Stephan Bonnar: Stephan Patrick Bonnar (born April 4, 1977) is an American professional wrestler and retired professional mixed martial artist and a UFC Hall of Famer who competed as a Light Heavyweight for the UFC.  Bonnar was the runner-up on The Ultimate Fighter 1.  His TUF Ultimate Finale loss to Forrest Griffin is considered to be one of the most important fights in the history of the UFC.  He is currently under contract for Bellator MMA.  For most of his MMA career Bonnar played the "role of the underdog", this is particularly exemplified in his fight with Anderson Silva at UFC 153.

Forrest Griffin: Forrest Griffin (born July 1, 1979) is an American retired mixed martial artist and a UFC Hall of Famer.  Since 2005, he has been signed to the Ultimate Fighting Championship where he is a former UFC Light Heavyweight Champion.  Griffin, a former Georgia police officer, first rose to prominence after winning the first season of "The Ultimate Fighter".  In the tournament finals, he fought and defeated Stephan Bonnar in Forrest Griffin vs. Stephan Bonnar, which is widely credited as sparking the current success of the UFC.  He went on to serve as a coach on "The Ultimate Fighter 7" opposite Quinton Jackson.

UFC 101: UFC 101: Declaration was a mixed martial arts pay-per-view event held by the Ultimate Fighting Championship (UFC) on August 8, 2009 in Philadelphia, Pennsylvania.  It was the first ever UFC event held in Philadelphia.  The event featured the second title defense of Lightweight Champion BJ Penn against Kenny Florian, and a non-title Light Heavyweight bout for Middleweight Champion Anderson Silva against former Light Heavyweight Champion Forrest Griffin.

Forrest Griffin vs. Stephan Bonnar: Forrest Griffin vs. Stephan Bonnar is a duo of fights starting in the finals of The Ultimate Fighter 1 contest which received national acclaim, and was highly regarded among fans as one of the most exciting, greatest and memorable fights in the history of not only the Ultimate Fighting Championship (UFC) but of mixed martial arts (MMA) in general.  The bout was voted fight of the year by a poll of over 19,000 readers of the website MMAWeekly.com, and was recognized as the 2005 Shoot Match of the Year by the Wrestling Observer Newsletter.  The fight was credited by Dana White as the "most important fight in UFC history".  The fight was also voted the greatest fight in UFC history in 2009.

Sérgio Penha: Sérgio Luiz da Penha (born August 20, 1959) is a Brazilian jiu-jitsu practitioner and instructor.  He is most known for an epic fight against Rickson Gracie in the 1980s.  Sergio currently is a coach for well known MMA fighters in Las Vegas such as Stephan Bonnar, Steve Cantwell, Anthony Njokuani among others.  Sergio has just received one of the highest honors in Brazilian Jiu-Jitsu by obtaining his seventh degree red and black belt.

Supporting paragraphs: Forrest Griffin vs. Stephan Bonnar Ultimate Fighting Championship
Answer: Dana White