Jingyun Fan

Jingyun Fan, MSc

Cofounder & CEO

Jingyun builds products to help human beings thrive. She graduated from MIT with a degree in Biology. Before Shuni, she built algorithms for sleep trackers and was an AI Research Scientist at Accenture.

Jingyun Fan

Matthew Walker, PhD

Cofounder & Chief Science Officer

Matt is a professor of Neuroscience and Psychology at UC Berkeley, the director of its Center for Human Sleep Science, and a former professor of Psychiatry at Harvard University. He has published more than a hundred scientific studies and he is the bestselling author of the book Why We Sleep.

Jingyun Fan

Elaine Blank, PhD


Elaine is a clinical psychologist with special expertise in sleep disorders, trauma-based disorders such as PTSD, and working with chronic pain. She received her PhD in clinical psychology from the University of Arizona, completed a clinical internship at the University of Maryland, and completed her postdoctoral fellowship at the Stanford School of Medicine.

Jingyun Fan

Michelle Jonelis, MD


Michelle is a Board Certified Sleep Medicine physician who practices in Redwood City, California. Her focus is on the non-pharmacologic management of sleep disorders using techniques including bright light therapy, circadian rhythm optimization, and Cognitive Behavioral Therapy for Insomnia (CBT-I). Michelle believes that understanding the structure of normal sleep and understanding how our ancestors slept in the days before artificial lighting is essential to learning to sleep better.