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Forest Lake


Mackenzie Sullivan, LMFT

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I am a Licensed Marriage and Family Therapist who enjoys working with a variety of clients and concerns. I have experience working with children, adolescents, adults, families, and couples. My approach is very natural to my genuine personality and I try to come from a warm, compassionate, and down-to-earth perspective and work together to find what best meets your need because everyone and every problem is unique and different.

I like to address issues from a systemic lens, which is working to understand relationship patterns and dynamics above the individual level that may influence the problem(s). I work to help support not just the individual, but the whole family/system and believe collaboration is crucial to helping make changes that last and discover the right path forward.

I provide services pertaining to relational distress, depression, anxiety, mood disorders, trauma, life transitions/stress, gender identity/sexuality issues, and self-esteem. With children, I work with emotional regulation and expression, anger, and distress tolerance and use play/experiential therapy techniques. With adolescents, I work to empower families and parents to adopt these skills and continuously work on them within and outside of therapy. With adults and couples, I assist them by understanding and advancing relationship dynamics, life stressors, addressing negative interaction patterns, and creating tools for healthy communication and advanced intimacy. I am specially trained in Gottman Method Couples Therapy Levels 1 and 2.


I earned my Master’s degree in Marriage and Family Therapy from Purdue University Northwest in Hammond, IN. I received my Bachelor of Science in Psychology and Minored in Child and Family Development and Communications from Missouri State University. 
In sessions, I bring my sense of humor, compassion, and curiosity to help with building insight and change. I believe therapy is about self-awareness, personal growth, and creating a supportive environment for change. I love my own self-care rituals and filling my cup first and I influence clients to do the same. When I am out of the office I enjoy nature walks with my dog, bike riding, crafting, and spending time with friends and family.


  • Individuals, Couples, Families, and Children

  • Relational Distress

  • Anxiety and Depression

  • Mood Disorders

  • Trauma 

  • Life Transitions/Stress

  • Gender Identity 

  • Sexuality

  • Self-Esteem

  • Emotion Regulation/Expression

  • Parenting

  • Anger


  • Purdue University Northwest, 2019, Masters of Science in Human Development and Family Studies, Specialization in Marriage and Family Therapy

  • Certified in Gottman Method Levels 1 and 2


Gottman Method Couple's Therapy Level 1 and 2 Certified

SafeZone LGBTQ+ Ally Trained

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