Our Team

Director and Psychologist

Lizzie Sulikowski  


Masters in Educational and Developmental Psychology.

Leading the team is Lizzie Sulikowski who is a registered child psychologist helping both children and families to reach lasting results. For over 8 years she has been working with children with Autism spectrum disorder, selective mutism, challenging behaviours, anxiety, depression and learning difficulties. Her expertise in comprehensive cognitive/psycho-educational assessments are for children to adults needing ASD Diagnosis, ADD/ADHD and Learning Difficulties among other assessments.

She believes in the importance of strong rapport and making sessions engaging which is demonstrated using games, activities, role plays, imagination and art therapy techniques. 


  • Assessments
  • Interventions
  • Selective mutism
  • Therapy in the areas of autism
  • Attention difficulties
  • Diagnosis disclosure
  • Learning disorders in particular dyslexia
  • Giftedness
  • Anxiety disorders 


Mark Sulikowski  


Diploma of counselling

Mark is the accounts and payments manager of the Silverlinings Psychology. Mark has had previous management experience in various sectors, as well as having the opportunity to work with children through Berry street. Furthermore, he really values his current role working in a field that helps and supports children and families to experience positive outcomes.


Phoebe Detering


  • Bachelor of Social Science
  • Graduate Diploma in Psychology
  • Masters of Professional Psychology

Phoebe is a registered psychologist who has a warm, empathetic and collaborative approach to treatment. She seeks to gain an in-depth understanding of each client and focuses on building a strong therapeutic relationship. Phoebe uses a client-centered approach and applies a variety of evidence based interventions to facilitate positive change. Phoebe has experience working with clients across the lifespan and from diverse backgrounds. She has expertise in Assessments and Interventions for a wide variety of disorders and difficulties including, Anxiety, Depression, Autism, social difficulties, ADHD and addictive behaviours.



Phoebe’s experience includes working with both children and adult clients. The range of therapies used include:

  • Cognitive-Behaviour Therapy
  • Play Therapy
  • Motivational Interviewing
  • Acceptance and Commitment Therapy
  • Social Skills Training
  • Supportive Psychotherapy

Social Skills instructor

Courtney O’Brien  


  • Honours year at the University of Melbourne.


Courtney is passionate about working with young people through Silverlinings Psychology. She also works as a support worker, volunteering her time as an activity leader on a primary-aged camp and as a mentor with the Raise foundation.