Karash is former high school teacher with an undergraduate degree in biology and a master's degree in secondary education.  She began painting in the 1990's, doing work as a residential muralist and decorative painter. She later studied at the Yellow Barn Studio in Glen Echo, MD, with Walt Bartman.  Karash continues to study drawing and painting in a three-year atelier program taught by Glen Kessler at the Compass Atelier in Rockville, MD.