Ana Claudia Michels was born July 31, 1981, in Joinville, Santa Catarina, Brazil. She was introduced to the owners of the Mega Agency through a friend, and as her beauty is quite evident, she was signed on immediately.

Ana Claudia has appeared in advertisements for Missoni, Saba, Tart, Valisere, Vizzano, Zoomp, Calvin Klein, Giorgio Armani, Louis Vuitton, Valentino, Versace eyewear, Versus fragrance, among many others. Ana has graced the covers of many magazines, such as Desfile Brasil in 1998 and 1999; Vogue France, Stockholm New Sweden, and Vogue UK in 2000; and Vogue and Nova in 2001. She has also appeared in numerous editorials.

Ana Claudia has strutted her sultry stuff down many catwalks for designers such as Donna Haag, Genny, Giorgio Armani, Louis Vuitton, and Marc Jacobs in 1999; Chloe, Exte, Gucci, Roberto Cavalli, Victoria's Secret, Byblos, Holland & Holland, John Bartlett, Michael Kors, Missoni, Versace, Anne Sui, and Imitation of Christ. Signed with Women Model Management in New York, Fashion in Milan, City Model Management in Paris, Mega in Brazil, and Louisa Top Models in Germany, Ana Claudia's popluarity is growing fast. Ana was named "Queen of the Catwalk" by a poll conducted by Vogue UK, with Naomi Campbellas runner-up.