The history of Peer Support Specialists in Montana Peer Support Specialists are those who have suffered from addiction or Behavioral Health Disorders, recovered, and then use their life experience to mentor others. By: Alexie Aguayo and last updated 2021-04-19 11:45:47-04 MONTANA â Peer Support Specialists are those who have suffered from addiction or Behavioral Health Disorders, recovered, and then use their life experience to mentor others. The career came a long way over the past decade to become recognized by the state. Jason Mcnees (pictured above to the left) helps put together the medical-assisted treatment groups at the Helena Indian Alliance (HIA).