Pimental, a Massachusetts native, graduated from Worcester Polytechnic Institute with a degree in chemical engineering and studied classical acting at a theater conservatory in Boston. After moving to Los Angeles, she performed stand-up and improv comedy and was hired as a writer for Comedy Central's animated hit, South Park (1997) in March of 1998. In addition, she has sold her first screenplay to Columbia Studios, a romantic comedy which will star Cameron Diaz and is slated for production in March. She has also written a pilot for Warren Littlefield for NBC Studios and Fox starring Jenny McCarthy.