Our Top Priorities
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How We Practice
Tailoring treatment to match each client’s individual needs while adhering to evidence based practices. We place equal value on our clients’ unique experiences as we do treatment protocols because we believe this balance is necessary to provide the personalized support and accountability needed to make lasting change.
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Two Equal Experts
We believe the most effective therapeutic relationship is one of two equal experts, the client an expert on themselves and the therapist an expert in DBT. We achieve this dynamic by emphasizing collaboration and authenticity. Therefore, we honor our clients’ courage and vulnerability by embodying DBT principles whole heartedly both personally and professionally.
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Cultural Humility
We are aware of the privileges our identities allow us and are committed to cultural humility practices. GLTC is an affirming and empowering environment and our therapists embody those values in all facets of their work.
Meet our team
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Victoria Kessinger
Founder, LCPC
Vic is a DBT-Linehan Board of Certification, Certified Clinician and has many years of experience providing full protocol DBT and DBT-Prolonged Exposure.
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Ryan Momberger
Supervisor, LCPC
Ryan is a Licensed Clinical Professional Counselor and clinical supervisor with extensive experience providing individual, family, and group mental health services to adults. He is a comprehensive Dialectical Behavior Therapy (DBT) provider and supervises several clinicians at Great Lakes Treatment Center. -

Christine Nolan
CADC
Christine is a passionate advocate for addiction treatment who is completing her CADC program at Wright College and interning for Great Lakes Therapy.
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Katie Sweet
Staff Therapist
Katie is a master’s level practitioner with years of DBT individual and group experience for adults, adolescents, and individuals with substance use disorders.
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Jimmy Martin
Staff Therapist
Jimmy, LCSW, earned a B.S. in Neuroscience before working as an EMT and as an academic and test-prep tutor.
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Ashley Bond
Staff Therapist
Ashley, MSW, is passionate about working with individuals with trauma histories and self-harm behaviors. Ashley’s stance in therapy is rooted in the relationship and she believes that growth and healing can be achieved through empathy and connection. Ashley also strongly believes in the Harm Reduction principle of “meeting clients where they are but not leaving them there.”
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Tommy Hill
DBT Fellow
His therapeutic style is collaborative, grounded, and affirming. Tommy strives to create a space where clients feel understood, respected, and supported while working toward meaningful and sustainable change. He believes deeply in each client’s capacity for growth, resilience, and self-understanding, even during moments when that belief feels out of reach.
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Angelina Derosa
DBT Practicum Student
Angelina is supervised by Ryan Momberger, LCPC. She is passionate about working with high-risk and underserved populations and strives to ensure every client feels seen, supported, and never alone. Her therapeutic style is warm, empathetic, and client-centered, emphasizing the healing power of a strong and authentic therapeutic relationship.
The GLTC Team
GLTC is made of an extensive team of talented and driven individuals with a passion for DBT. We receive ongoing training and supervision from leading DBT experts to bring you the best therapeutic support.

