Karen M. Hilderbrand

Karen Mitzo Hilderbrand (born 1962) is an American songwriter and author publishing children's educational materials, based in Akron, Ohio. Early life and education Hilderbrand was born Karen Mitzo on July 16, 1962, along with her twin sister Kim. She attended Purdue University and graduated in 1985 with a degree in Industrial Engineering. Career Hilderbrand began writing songs in 1987 with her sister Kim Thompson, and after five years they began working full-time to create educational materials. They have since created more than 500 albums, written 3,000 songs and produced 160 e-books and 700 audiobooks. They have also produced 15 mobile apps. Hilderbrand is the CEO of Creative IP, LLC. and Twin Sisters Digital Media, headquartered in Stow, Ohio. In 2012, Scholastic announced a distribution agreement with Twin Sisters for musical and non-fiction e-books. Discography Hilderbrand and Thompson have total album sales of more than 50 million, including one RIAA certified platinum and eight certified gold albums. All albums are released under the Twin Sisters Productions label.