Karla MartÃnez (born May 11, 1976) is a Mexican TV Show Host. She is best known for hosting the show Control from 2000 to 2006 where she took over the show after Lesley Ann Machado\'s departure. She is currently a co-host on the popular morning show Despierta AmÃ©rica on the Univision Network. MartÃnez was born in Chihuahua, Chihuahua. and graduated from the University of Texas at El Paso with a degree in electronic media. She began her career at KINT-TV, Univision\'s El Paso, Texas affiliate, in 1995. In 2002, People en EspaÃ±ol named MartÃnez one of its 25 Most Beautiful People.