Chelsea Clinton is the author of the #1 New York Times bestseller She Persisted: 13 American Women Who Changed the World; She Persisted Around the World: 13 Women Who Changed History; It's Your World: Get Informed, Get Inspired & Get Going!; Start Now!: You Can Make a Difference and, with Devi Sridhar, Governing Global Health: Who Runs the World and Why? She is also the Vice Chair of the Clinton Foundation, where she works on many initiatives, including those that help empower the next generation of leaders. She lives in New York City with her husband, Marc, their daughter, Charlotte, their son, Aidan, and their dog, Soren.

Carme Lemniscates is the author, illustrator, and designer of several critically acclaimed children's books.

In 2016 she won the Serra d'Or Critics award for Arboles (Trees) and was the Bronze recipient of ForeWords Reviews' 2012 Book of the Year Award for Silence. She is the founder of Lemniscates Studio, located in her home city of Barcelona.