J.R. Martinez is one of the contestant in Dancing with the stars season 13. Here's some info about him :

Jose Rene Martinez is an American actor, motivational speaker and retired U.S. Army soldier. In 2003, J.R. experienced severe burns to over 40 percent of his body while serving as a United States Army infantryman in Iraq. After a long and difficult recovery, J.R. spends his time traveling the country extensively in his role as a spokesman and motivational speaker. J.R. has played the role of Brot Monroe in ABC's daytime drama All My Children since November 7, 2008.

Martinez was born in Shreveport, Louisiana on June 14, 1983 to Maria Zavala. He has two sisters, Consuelo and Anabel. Both sisters were raised in El Salvador with his mother's family. Anabel died as a toddler of a congenital illness before J.R. was ever able to meet her.

At nine years old, Martinez moved with his mother to Hope, Arkansas where he lived until he was 17. At 17, he moved to Dalton, Georgia, a place he proudly calls his hometown. During his senior year he played strong safety for the Dalton High School Catamounts when they went to Georgia's State Championship. Playing professional football was his dream until he suffered an injury his senior year.
Martinez enlisted in the United States Army in September 2002 and underwent Basic and Advanced Training at Fort Benning, Georgia where he gained skills as an 11-B Infantryman. After reporting to Fort Campbell in January 2003 he was assigned to his unit 2/502 Delta Company.

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