Christopher Cerf is an author, composer-lyricist, voice actor, puppeteer, and record and television producer. He is known for his musical contributions to Sesame Street, for co-creating and co-producing the award-winning PBS literacy education television program Between the Lions, and for his humorous articles and books.

Since writing and performing his first song for Sesame Street, "Count It Higher" in Season 5 in 1973, Chris has written or co-written over 300 songs featured on the program. Chris loves to have a focus for his stories, giving him a creative direction.

“If you give me a blank piece of paper and say ‘write a book or a song,’ I’m not sure what I would do. But if you tell me ‘We could sure use a song where Cookie Monster sings reggae about the letter J’ then I know exactly what to go do!” - Chris Cerf on story direction