Karen is of German descent by her paternal grandfather and spent all her childhood and adolescence in the district of La Punta, standing out in some sports such as swimming, becoming part of the national team in 1997.
After finishing school, he decides to study Communications at the San Ignacio de Loyola University in the city of Lima, managing to graduate as a social communicator some years later.
She immediately became Head of Production for Ask SAC Image Solutions. company that she herself formed, while at the same time she worked as an equestrian journalist.
By always standing out for her beauty and for being a size higher than other girls her age, Karen is encouraged to participate in the contest of Miss Peru Universe 2009, was 25 years old and represented the department of Amazonas. After being crowned, she travels to Nassau to participate in miss Universe.
That same year, he participated in the Miss American Continent 2009 which took place in Guayaquil, becoming a finalist and winner of the title Miss Face Yanbal.
Karen continued in the world of beauty pageants and in November 2010 she competed in Miss Intercontinental 2010 which took place in Punta Cana. This time, Schwarz was vice-queen and became Miss America Intercontinental, also winning the award for Best National Costume.
Subsequently, she has been the representative, image and partner of the Álika brand and represented her country in the Buenos Aires Fashion Week.
On television she appears in 2011 as one of the three hostesses of the cast of the contest program The last passenger what his friend was driving Adolfo Aguilar placeholder image.
She then became a co-host of the singing and imitation reality show. I am which aired in April 2012, again alongside Adolfo Aguilar placeholder image and that is emitted by Latin Frequency.
A short time later, she became a conductor of the space called Shows of the same channel and that is emitted in morning hours.
Continuing in the co-hosting of Yo Soy and in the Spectacles program, Karen Schwarz will debut as an actress in the film Japy ending to be released in 2014.