Our History View our video archive as Matt interviews world renowned subject matter experts in the field of first responder mental health. Skip to Videos All | Meet Matt | Dr. Marie José Dhaese | Dr. Peter Levine | Dr Ross Laird | Dr. Vivien Lee | Dr. Vivien Lee- Part 4 Dr. Vivien Lee- Part 3 Dr. Vivien Lee- Part 2 Dr. Vivien Lee- Part 1