Ron Holsey has wrote several episodes of Nina's World. Outside of Sprout, Holsey has written for PBS' Odd Squad, Sesame Street, Martha Speaks, Curious George, Pinkalicious and Peteriffic, Scribbles and Ink, Johnny Test, Nella the Princess Knight, T.O.T.S, Helpsters, The Stinky and Dirty Show, If You Give a Mouse a Cookie, Elena of Avalor, Rusty Rivets, The Furchester Hotel, Arthur, My Friends Tigger and Pooh, Big Time Rush, and Ned's Declassified School Survival Guide.