Aretha Sills is the granddaughter of Viola Spolin. She studied theater games for many years with her father, director Paul Sills (creator/director of The Second City and Story Theater), and has conducted workshops at Paul Sills' Wisconsin Theater Game Center, Bard College, Stella Adler Studio of Acting, Sarah Lawrence College, and Northwestern University. She is the Associate Director of Sills/Spolin Theater Works. Aretha was nominated for an INNY Award for Best Improvisation Instructor and was the keynote speaker at the California Educational Theatre Association conference.