Majdi Osman

Dr. Majdi Osman is a physician-scientist at the University of Cambridge, researching the role of the gut microbiome in health and disease. He also leads research and clinical programs at OpenBiome, a nonprofit developing new therapies for neglected diseases using microbiome science. His work has been featured on CNN and the BBC and in the New Yorker and the New York Times. Originally from Sudan, Dr. Majdi Osman lives in London.

Teresa Martínez is a graphic designer who has worked in advertising. She is the illustrator of many children's books, including Until Someone Listens by Estela Juarez, Mi Ciudad Sings by Cynthia Harmony, and How Can I Wait When There's a Treat on My Plate? by Dan Graham, PhD. Teresa Martínez lives in Monterrey, Mexico.