Nelson Luiz Bittencourt Sardenberg (born August 1, 1970 in Belo Horizonte

Belo Horizonte

Belo Horizonte is the capital of and largest city in the state of Minas Gerais, located in the southeastern region of Brazil. It is the third largest metropolitan area in the country...

) is a Brazil

Brazil

Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

ian karate

Karate

is a martial art developed in the Ryukyu Islands in what is now Okinawa, Japan. It was developed from indigenous fighting methods called and Chinese kenpō. Karate is a striking art using punching, kicking, knee and elbow strikes, and open-handed techniques such as knife-hands. Grappling, locks,...

 fighter.

In 1999, Nelson was defeated on the final of the 1999 Pan American Games

1999 Pan American Games

The 1999 Pan American Games, officially the XIII Pan American Games or the 13th Pan American Games, was a major international multi-sport event that was held from July 23-August 8, 1999 in Winnipeg, Manitoba, Canada. Approximately 5,000 athletes from 42 nations participated at the games. The 1999...

 in Winnipeg

Winnipeg

Winnipeg is the capital and largest city of Manitoba, Canada, and is the primary municipality of the Winnipeg Capital Region, with more than half of Manitoba's population. It is located near the longitudinal centre of North America, at the confluence of the Red and Assiniboine Rivers .The name...

 by the American John Fonseca.

In 2002, fighting for the Pan-American Championship, Nelson had his jaw broken and required a surgical intervention.

In 2003, Nelson was defeated by the American John Fonseca on the final of the 2003 Pan American Games

2003 Pan American Games

The 14th Pan American Games were held in Santo Domingo, Dominican Republic, from 1 to 17 August 2003. The successful bid for the games was made in the mid-1990s, when this country had one of the highest growth rates in Latin America....

 in Santo Domingo

Santo Domingo

Santo Domingo, known officially as Santo Domingo de Guzmán, is the capital and largest city in the Dominican Republic. Its metropolitan population was 2,084,852 in 2003, and estimated at 3,294,385 in 2010. The city is located on the Caribbean Sea, at the mouth of the Ozama River...

.