Meet Our Therapists
Find the right support for your unique journey. At AAT Clinic, we proudly work with licensed, experienced therapists across Ontario—offering both online and in-person sessions. Our team brings diverse backgrounds, specializations, and therapeutic approaches to meet you exactly where you are.
All of our therapists have 5+ years of Canadian experience, offer inclusive and culturally sensitive care, and support individuals, couples, children, teens, and families. Whether you’re looking for trauma-informed therapy, help with anxiety or relationships, or neurodivergent-affirming care, we’re here to help.
Donna Mahoney
Social Worker, Registered Psychotherapist
🌼 Accepting New Clients
Specialties: Trauma, PTSD, Addiction Recovery, Life Transitions, Stress, Emotional Resilience
Experience: 18+ years
Approach: Tailored blend of CBT, DBT, Trauma-Informed Therapy & Solution-Focused Care
Location: Online
Registration #: OCCSSW: 819985
Lydia Kellar
Registered Psychotherapist (Qualifying), Registered Early Childhood Educator
🌼 Accepting New Clients
Specialties: Children, Teens, Parenting, Anxiety, Stress, Developmental & Behavioral Issues
Approach: Holistic & trauma-informed, integrating CBT, EFT, IFS, and Attachment Theory
Focus: Emotional regulation, family dynamics, and support for neurodivergent youth
Location: Online
Registration #: CRPO: 15840, CCPA: 11250021
Justine Maurice
Social Worker M.S.W., R.S.W.
🌼 Accepting New Clients
Specialties: Children, Teens, Parenting, Anxiety, Stress, Developmental & Behavioral Issues
Approach: Holistic & trauma-informed, integrating CBT, EFT, IFS, and Attachment Theory
Focus: Emotional regulation, family dynamics, and support for neurodivergent youth
Location: Online
Registration #: OCCSSW: 826363
Gina Li
Registered Psychotherapist (Qualifying), MA, RP (Q)
🌼 Accepting New Clients
Specialties: Anxiety, Burnout, Life Transitions, Emotional Regulation, Confidence, Self-Esteem
Approach: Person-centered & holistic using CBT, ACT, DBT, and Mindfulness-Based Therapy
Languages: English, Cantonese, Mandarin
Location: Online
Registration #: CRPO: 13630