Peter Nowalk is an American television writer and producer.Nowalk was born in Pt. Pleasant, New Jersey and attended Brown University. He co-wrote The Hollywood Assistants Handbook, published by Workman Books in 2008. In same year he began working in the Shonda Rhimes medical drama series, Grey's Anatomy as recurring writer and later executive story editor and supervising producer. He is also co-executive producer of Scandal.