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Cornerstone Addiction Services 1996

'Change your thoughts and you change your world.' - Norman Vincent Peale

Linda A. Berdahl MS, MCAC I, LAC, SAP


Ms. Berdahl is a Nationally Certified Addiction Counselor and has been licensed since 1993.

She has completed a Masters degree and holds a Substance Abuse Professional certification.

Ms. Berdahl has worked with adolescents, adults, and families during her career.
She has experience in prevention and intervention programs and has worked with outpatient and inpatient populations.

Donald O. Olson M.Ed., LPC, NCC


Mr. Olson has provided alcohol/drug prevention and intervention programs since 1996.

In the Minot area, Cornerstone Addiction Service has provided Youth Diversion for court-ordered youth since 1999.

Mr. Olson also teaches the 18-21 Early intervention and Education program and 16 Hour Seminars.
He is available for school and organization information presentations and intervention programs for educational staff and students.

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