Mr. Tatzmann has over eighteen years of experience in the field of traumatic brain injury (TBI). First, as TBI Program Director for the State of Michigan, then President and CEO of the California Brain Injury Association, and most recently as Chairman of the MN DHS TBI Advisory Committee. Prior to his work on traumatic brain injury, he managed policy level mental health programs for the State of Michigan. He has been a speaker at national conferences and presented testimony before the Institute of Medicine of the National Academies in addition to training for school districts, mental health agencies, county social services programs, law enforcement, and other professional organizations. He has received numerous awards for his work on TBI and mental health advocacy, and published in professional journals. He has also served as a consultant to nonprofit organizations and states on organizational development.