Inclusion Criteria:  Age 18 or older Serious mental illness (as indicated by disability) A desire to improve their physical health/wellness and prevent disease through peer health navigation Willing to attend Active Thresholds member residing in the catchment area (Chicago South Side)  Exclusion Criteria:  Currently receiving services from a peer support specialist to work on health-related goals Currently receiving Assertive Community Treatment services Not an active Thresholds member Does not reside in the catchment area (Chicago South Side)