Although she now works primarily as a designer/builder, she began as a performer, doing small bits on The Muppet Show and other projects.
She has contributed to almost every Henson production since her arrival, and to this day carries her skills through on Sesame Street.
Krewson was the designer for Julia, Sesame's autistic Muppet character.
[2] Krewson has received seven Daytime Emmy Awards for her contributions on Sesame Street and has been nominated many times for her work on other Henson productions.
International Sesame Street Puppets for Russia, Germany, the Netherlands, South Africa, Bangladesh, India, Egypt, Japan and Indonesia