Dan Willis served as a police captain, homicide detective, wellness unit coordinator, and SWAT commander. He is a graduate of San Diego State University and the FBI National Academy. He currently instructs nationwide on trauma, PTSD, and the process of healing.  https://firstresponderwellness.com

Michael Ungar, Ph.D., is a Family Therapist and Professor of Social Work at Dalhousie University where he holds the Canada Research Chair in Child, Family and Community Resilience. Since 2002, Dr. Ungar has directed the Resilience Research Centre, designing multisite longitudinal research and evaluation projects in more than a dozen low, middle, and high-income countries, with much of that work focused on the resilience of marginalized children and families, and adult populations experiencing mental health challenges.  http://www.michaelungar.com/