Meet Our Therapists


Karla Vollberg BA CADC-DP

Karla holds a Bachelor of Arts Degree (Major in Sociology and Minor in Music (Vocal) from Olivet College, and she currently is working on earning her CADC Certification as she works for CSSUP as a substance abuse clinician. 

With CSSUP, Karla provides SUD Counseling Services, her primary population is adults with substance abuse problems. Karla’s career over the last 30 years has included various work roles: acting as a group leader for a group of juveniles at a training school, presentence investigator, case manager/intake and substance abuse counselor at an inpatient substance abuse rehabilitation center.

In her down time, Karla enjoys spending time with her mother as they are kayaking-canoeing, swimming, and sunbathing on Green Bay-Lake Michigan.

Alisha Young, LLMSW, CAADC-DP

Alisha holds a Masters of Social Work (MSW) Limited License and a Masters in Criminal Justice from Northern Michigan University. Before earning her MSW, Alisha was the Program Director at the Women’s Center. In her final year of earning her MSW, Alisha was placed at CSSUP for an internship. She knew it was God’s work.  She continues to pray that God continues to use her for the good of bettering his kingdom.

With CSSUP, Alisha provides behavioral health services as a therapist, her primary client population is adults.

In her downtime, Alisha, enjoys reading, traveling, spending time with family and friends, and anything that involves the ocean.


Diane Tryan, LMSW; CAADC

Diane Tryan graduated from the Catholic University of America in Washington DC with her Masters in Social Work in 1998. She has worked for Catholic Social Services of the UP since June of ’98 in the Escanaba Branch office.  Diane is the Clinical Director of CSSUP and oversees the counseling program in Escanaba and Marquette. 

She holds an LMSW (Licensed Master-Level Social Worker) as well as a CAADC (Certified Advanced Alcohol and Drug Counselor). She also has a case load and her main ministry is working with individual adults with issues of depression, anxiety, stress, marriage/relationships, grief and loss, spiritual, gambling addictions, substance abuse, and past abuse, among others. 

Diane divides her time as well for the agency’s child welfare program. She is an Adoption Worker and works with couples who desire to adopt, be it domestically or internationally. She also is part of the licensing team at CSSUP, so she monitors foster homes as well as licenses homes to take foster children.

Linda Dunbar, CAADC

Lynda is a fully licensed Master Level Social Worker a Certified Advanced Alcohol and Drug Counselor (CAADC). She earned her Bachelor’s in Social Work from Northern Michigan University and her Master’s degree from Michigan State University. Lynda has many years of experience working with adults of all ages. As a former RN who worked in home care and hospice, Lynda enjoys working with older adults on a variety of issues including developmental stage changes including aging, physical illness, death and dying, grief and loss.

Lynda provides individual and group counseling to adults of all ages for mental health and substance abuse issues. Lynda is experienced in working with those dealing with depression, anxiety, trauma, grief and loss and substance abuse. She’s recently started offering couples counseling. She provides comprehensive substance abuse evaluation and driver’s license substance abuse assessments.

Originally from Lower Michigan she moved to the UP many years ago and considers herself a Yooper. She and her dog Larry happily reside in Marquette.

Lisa Niemisto, LMSW, CAADC

Lisa is  a U.P.  native, wife, mom, grandmother, and has furry kids and grandchildren as well. Her education includes a BS degree in Elementary Education, BS in Social Work, a Master of Social Work and a Certified Advanced Alcohol and Drug Counselor. She enjoys working with people of all ages and deeply appreciate their willingness to share their lives with me. Lisa’s focus in working with clients, is finding the most comfortable place from which to begin the journey to reach individual goals. The pace is set by her clients. Lisa feels her role is to guide, support, teach, and create a safe, welcoming environment in which her clients can share freely.