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10801 S. Western Ave., Suite 2B | Chicago, Illinois  |   (708) 586-7357
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Staff Clinician

Colleen O’Sullivan

Colleen O’Sullivan, LSW (she/hers/her)

ADHD - Adults, ADHD - Children, Adoptive Families, Anxiety, Behavioral Issues, Culturally Sensitive Work, Depression, Difficulty with Executive Functioning, Emotional Regulation, Family Conflict, First Responders, Grief/Loss, LGBTQIA+, Life Transitions, Peer Issues - Social Skills, Psychotherapist, PTSD/Trauma, Self Esteem, Substance Abuse, Women's Issues /

“At Mirjam Quinn & Associates, I welcome clients who are seeking relief from distress, deeper self-understanding, and reconnection with their inner strengths.”

Colleen O’Sullivan, LSW (she/hers/her) Read More »

Olly Sladek, Mirjam Quinn and Associates

Olly Sladek, LPC, M.Ed in Counseling, NCC (they/them)

ADHD - Adults, ADHD - Children, Anxiety, ASD - Devepmental, Behavioral Issues, Culturally Sensitive Work, Depression, Difficulty with Executive Functioning, Emotional Regulation, Family Conflict, Grief/Loss, LGBTQIA+, Life Transitions, Mood Disorders, Parenting Support, Peer Issues - Social Skills, Psychotherapist, PTSD/Trauma, Self Esteem, Substance Abuse, Women's Issues /

“I work with children, adolescents, and adults to explore and process what you’ve been through, and to help you move toward real growth and change.”

Olly Sladek, LPC, M.Ed in Counseling, NCC (they/them) Read More »

Caitlin Sprague, MA, LPC, NCC

Caitlin Sprague, MA, LPC, NCC (she/hers)

ADHD - Adults, ADHD - Children, Anger Management, Anxiety, ASD - Devepmental, Behavioral Issues, Culturally Sensitive Work, Depression, Difficulty with Executive Functioning, Emotional Regulation, Family Conflict, Grief/Loss, LGBTQIA+, Licensed Professional Counselor, Life Transitions, Men's Issues, Mood Disorders, Parenting Support, Peer Issues - Social Skills, PTSD/Trauma, Relationship Conflicts, Self Esteem, Substance Abuse, Women's Issues /

“I am passionate about helping neurodivergent children, adolescents, and adults discover their strengths, explore their interests, enhance their self-esteem, and develop practical tools to support their overall well-being.”

Caitlin Sprague, MA, LPC, NCC (she/hers) Read More »

Marina Theisen, Mirjam Quinn and Associates

Marina Theisen, LPC (she/hers/her)

ADHD - Adults, ADHD - Children, Anger and Aggression Issues, Anxiety, Behavioral Issues, Culturally Sensitive Work, Depression, Difficulty with Executive Functioning, Eating Disorders, Emotional Regulation, LGBTQIA+, Licensed Professional Counselor, Mood Disorders, OCD, Peer Issues - Social Skills, Psychotherapist, Self Esteem /

“I support children and adolescents by creating a safe, nurturing environment where they feel seen, heard, and respected, while guiding them through emotional challenges to build self-esteem and meaningful connections.”

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Makayla Turner, Mirjam Quinn and Associates

Makayla Turner, MSW (she/hers/her)

ADHD - Adults, ADHD - Children, Anxiety, Behavioral Issues, Culturally Sensitive Work, Depression, Difficulty with Executive Functioning, Emotional Regulation, Family Conflict, First Responders, Grief/Loss, LGBTQIA+, Life Transitions, Peer Issues - Social Skills, Psychotherapist, PTSD/Trauma, Self Esteem, Women's Issues /

“I believe that everyone has a voice and that voice needs to be heard regardless if they are young or older. Their voice is what gives them that self-autonomy perspective.”

Makayla Turner, MSW (she/hers/her) Read More »

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