Marissa Diaco is a Clinical Psychologist who works with children, teens, adults, and parents navigating a wide range of emotional, relational, and life challenges. She supports clients experiencing family and relationship conflict, emotional and behavioral difficulties, trauma, identity exploration, school-related stress, self-esteem concerns, grief and loss, and major life transitions.

Marissa is trained in Trauma-Focused Cognitive Behavioral Therapy (TF-CBT), certified in crisis prevention and intervention, and holds certification in Orton-Gillingham, a structured approach to supporting individuals with reading difficulties. She earned her PsyD and MSEd in Combined School-Clinical Psychology from Pace University and previously received her BBA in Marketing and Psychology from the University of Notre Dame.

Marissa is especially passionate about supporting neurodivergent children and teens with ADHD, Autism Spectrum Disorder, and learning differences, and other academic challenges. She has extensive experience helping young people and families better understand their learning and emotional needs while collaborating with schools to identify supportive accommodations, services, and strategies that enable children to thrive both academically and emotionally. She also has experience supporting individuals and families navigating foster care, adoption, co-parenting challenges, family changes, and diverse family structures.

Marissa’s approach to therapy is warm, collaborative, and flexible. She draws from insight-oriented, trauma-informed, and relationship-based approaches while tailoring therapy to each client’s unique strengths, needs, and goals. Depending on the client, sessions may incorporate practical coping tools, emotional skill-building, play, art, movement, storytelling, creativity, or opportunities to practice new ways of relating to others. She also values family and group therapy as meaningful spaces for connection, support, and growth.

Marissa has experience working in therapeutic schools, hospitals, and community-based settings. She has collaborated closely with families, schools, and multidisciplinary teams Her work has included helping families navigate school supports and accommodations, consulting around educational planning, providing crisis support, and conducting psychological and educational assessments to better understand a child or teen’s strengths, challenges, and areas where additional support may be helpful.

Marissa Diaco, PsyD