Hayley Rocco is the author of How to Send a Hug, her first collaboration with her husband, John Rocco. John Rocco is a New York Times bestselling author and award-winning illustrator of several children's books including How We Got to the Moon, which received a Sibert Honor and was longlisted for the National Book Award.

They are both ambassadors for Wild Tomorrow, a rewilding charity based in South Africa. They also co-founded Children's Book Creators for Conservation - a collective group of children's authors and illustrators who support conservation efforts. Together, they venture into the wild in search of stories they can bring back and share with readers everywhere.