David Victorson, PhD is a licensed psychologist, Professor of Medical Social Sciences, and Director of the Flourishing in Society and Health Research Lab in the Feinberg School of Medicine at Northwestern University. He is also Director of Research at the Osher Center for Integrative Health at Northwestern University, and Director of Integrative Oncology Research at the Cancer Survivorship Institute at the Robert H Lurie Comprehensive Cancer Center. His research program focuses on young adults affected by cancer and the supportive roles of mindfulness-based emotion regulation, deep social connection, nature contact, and positive health behavior engagement in promoting health, wellbeing, and flourishing. In 2008 he founded and directs a national nonprofit organization called True North Treks that supports teens, young adults and caregivers affected by cancer through free backpacking and canoeing excursions in nature.