Mountainside, New Jersey Katelyn Quinn, Therapy Clinician

Katelyn Quinn, a Counselor Associate at LifeStance Health, helps adolescents, adults, and seniors across New Jersey navigate emotional challenges, build coping skills, and create meaningful, lasting change through compassionate, evidence-based therapy. Katelyn provides individual and group therapy in a supportive, nonjudgmental environment where clients feel safe exploring their experiences and working toward personal growth.

Katelyn focuses on treating anxiety, depression, and substance use concerns, while also supporting individuals navigating complex issues such as trauma, OCD, and emerging gender identity. She incorporates Cognitive Behavioral Therapy (CBT), Dialectical Behavior Therapy (DBT), and mindfulness techniques to help clients better understand thought patterns, manage emotions, and engage in valued activities outside of session. Katelyn’s approach is collaborative and tailored, empowering clients to build resilience and improve overall mental health. She is committed to creating an inclusive and affirming space, particularly for individuals within the LGBTQ+ community, while also offering support to a broad range of clients with diverse backgrounds and life experiences. Katelyn works with teens as well as adults, adapting her therapeutic style to meet each person’s developmental needs and goals. Katelyn believes therapy should be both practical and meaningful, helping clients translate what they learn in session into real-world progress. She emphasizes skill-building, emotional awareness, and sustainable change so clients can feel more confident managing life’s challenges.

Outside of her clinical work, Katelyn enjoys reading fiction, fantasy, and social science books. She also enjoys traveling with friends and family and exploring new cultures. Katelyn is an animal lover with a dog and two cats, and she has a passion for language learning, maintaining a long-standing Duolingo streak in French and Italian. She also enjoys fashion and thrifting unique pieces.

Katelyn Quinn provides services with supervision.