John Larson, B.A., M.P.A

John Larson, B.A., M.P.A., is a peer support specialist at the Rosecrance Therapies office in Dyer, Indiana. He provides additional support to clients who are experiencing challenges in recovery or have experienced a recurrence of substance use. Drawing on more than 37 years of personal recovery, Larson connects with clients through shared understanding, encouragement and hope. Before joining Rosecrance, Larson spent 28 years as a parole agent with the Indiana Department of Correction, where he frequently worked with individuals affected by substance use disorders. His professional experience and personal recovery journey inspired him to pursue a career in behavioral health. After retiring from public service, he earned certification as an alcohol and drug abuse counselor through the Indiana Counselors Association on Alcohol and Drug Abuse and worked at two methadone treatment clinics. Larson looks forward to supporting the continued development of the Resilience program and expanding his role in its services. He earned a Master of Public Affairs from Indiana University Northwest’s School of Public and Environmental Affairs in 1994 and a Bachelor of Arts in political science from Calumet College of St. Joseph in 1985. He joined Rosecrance in July 2026.