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Bradley Bowen

Clinic Director & Principal Clinical Psychologist

Registration PSY0001627508
MPsych (Clin Psych), BA (Hons), Grad Dip Psych, BSc, AMusA, MAPS

Bradley has worked with children and adolescents for over 20 years, with the last 9 as a clinical psychologist. In that time, he has developed a reputation as a dedicated and committed psychologist. Bradley takes a client-centred approach and tailors appropriate evidence-based treatments for his clients. He understands that the families who come to see him are experiencing significant challenges, and his gentle warm approach allows them to feel at ease and to focus on positive change.

Bradley has experience and skills in managing a wide range of psychological problems and is skilled in using a range of therapies including Cognitive-Behavioural Therapy (CBT) and Acceptance and Commitment Therapy (ACT) and Mindfulness. He is a board-approved supervisor and provides supervision to the Sydney Children’s Practice team as well as to external psychologists.

Lisa Mason

Clinical Psychology Registrar

Registration PSY0002472863
MPsychol(Clin), BPsych(Hons), APS

Lisa is a registered psychologist who is passionate about working with young people and their families across a wide range of clinical presentations. She is enthusiastic about helping clients to better understand themselves, their difficulties, and to develop the skills required to navigate and grow through their challenges.


Lisa has completed a Master’s of Clinical Psychology and a Bachelor of Psychology (honours) at WSU. She has experience in a variety of presentations including anxiety, depression, OCD, PTSD, ADHD, and other common presentations. Lisa endeavours to deliver evidence-based psychological interventions in creative ways to create positive and engaging experiences for clients and their families.


Lisa is available on the following days:
Glebe: Mondays, Wednesdays, Thursdays and Fridays
Stanmore: Tuesdays

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Andrew Pietrini

Clinical Psychologist

Registration PSY0001627508

MPsych (Clin), Grad Dip Prof Psych, Grad Dip Psych, BS (Psych)

Andrew is a dedicated clinical psychologist who has been providing therapeutic services in private practice, hospitals, and NGOs since gaining his accreditation in 2016. He has developed an appreciation for the difference that a genuine and supportive relationship can make when helping children, adolescents, and families cope and make positive changes in times of difficulty.

Andrew uses early consultations to work collaboratively with his clients to thoroughly understand the circumstances and contributing factors that have resulted in their concerns. He then provides a supportive and compassionate place to develop and implement an individualised and evidence-based support that best suits his client’s needs. He understands that working as a team with individuals and families is necessary to help them make meaningful change in their lives.

Andrew is experienced using a range of evidence-based interventions, including cognitive-behavioural therapy (CBT), acceptance and commitment therapy (ACT), mindfulness, behavioural therapies, and parent coaching. 

Andrew primarily works with children above 8 years of age, adolescents, families.

Andrew is available in Stanmore on:

Mondays, Wednesdays and Fridays

Shirley Tang

Clinical Psychology Registrar

Registration PSY0002410717
BPsych(Hons) UNSW, MPsych(Clin) ISN, MAPS

Shirley is a warm and approachable registered psychologist who is passionate about supporting individuals, sharing skills, and empowering people (big and small!) to make positive changes. She has a particular interest in the wellbeing of children and young adults, working with anxiety, trauma, and aims to provide a safe, (fun) and inclusive space for all clients and their families. She is committed to understanding your unique experience and working together to find solutions to help you get unstuck!

Shirley completed a Bachelors of Psychology (Hons) at UNSW before completing a Masters of Psychology (Clinical) at ISN. She has over 7 years experience working with children and has worked and volunteered across various settings including with neurodiverse children (Autistic and ADHDers) and NDIS participants, at university and research clinics, at Lifeline, and within a community mental health team. She skillfully tailors therapy to client’s needs and draws from evidence based interventions including cognitive behaviour therapy (CBT), dialectical behaviour therapy (DBT), mindfulness, and acceptance and commitment therapy (ACT).

Shirley is available on the following days:

Glebe: Tuesdays and Wednesdays
Stanmore: Thursdays

Anna Colditz


Registration PSY0002353378
BPsychSc(Hons), MAPS

Anna is a warm and friendly Psychologist who enjoys working with children and families. She has extensive experience working with neurodivergent children, adolescents and adults, working in the NDIS space for several years.

Anna enjoys adapting and tailoring evidence based interventions (such as Cognitive Behavioural Therapy (CBT), Dialectical Behavioural Therapy (DBT) and Acceptance and Commitment Therapy, (ACT) using a creative and interactive delivery.  Anna enjoys working holistically, collaborating when needed to achieve positive outcomes for children and their families.

Anna is available on Thursdays and Fridays in Glebe

Lianna Bamberg


Registration PSY0002628458

BSc (Hons) Psychology, AAPI and AssocMAPS

Lianna is a friendly and empathic psychologist who is committed to establishing approachable and trusting relationships with clients and families to help them navigate challenges and implement positive, lasting change. Her approach is fun, collaborative, and grounded in person-centred care. Drawing upon evidence-based techniques from cognitive-behavioural therapy (CBT) and mindfulness, Lianna seeks to empower clients with the knowledge and skills they need to master their challenges in an engaging and patient way.

Lianna has experience working with children, adolescents, and families across a range of presentations including neurodivergence (autism, ADHD, dyslexia), anxiety, low mood and various behavioural difficulties. Her multidisciplinary approach ensures that she engages with schools, allied-health professionals, and parents so that support and strategies extend beyond the therapy room and become integrated into her client’s daily lives.

Lianna has had the privilege to work across numerous mental health settings in the UK and more recently, in Australia. Her specific areas of interest include neuropsychology and at Sydney Children’s Practice, she works extensively with NDIS participants. 

Lianna is available on the following days:
Glebe: Mondays, Wednesdays, Thursdays and Fridays
Stanmore: Tuesdays

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Dina Allami


Registration PSY0002483472
BPsych(Hons), MProfPsy

Dina is a registered psychologist who is passionate about working with children, adolescents, and their families to help them overcome mental health challenges and lead healthy, fulfilling lives. Dina has a particular interest in working with trauma-related disorders, anxiety disorders, and mood disorders, and she has experience in the use of cognitive-behavioural therapy (CBT) and other evidence-based treatments.

Dina is known for her warm and collaborative approach to therapy, and her ability to connect with children and adolescents in a way that helps them feel understood and supported. She is committed to using the latest research and evidence-based practices to provide the highest quality care to her clients.

Dina obtained her Master of Professional Psychology and Bachelor of Psychology (Honours) at Western Sydney University.

Dina is available on Thursdays and Fridays in Stanmore

Anita Knezevic

Provisional Psychologist

Registration PSY0002697174
BPsy(Hons), AssocMA

Anita is a dedicated and empathic provisional psychologist with a passion for nurturing young minds and supporting families. Anita has an interest in working with various presentations including ADHD, anxiety disorders, and behavioural issues in addition to working with neurodiverse individuals to support social and emotional wellbeing. She is also interested in working collaboratively with parents to support them through life’s challenges with resources and strategies to make a positive impact on a child’s development. She is committed to providing evidence-based psychological interventions in fun and creative ways to engage with children when promoting positive changes to their wellbeing.


Anita has previously worked with families closely in caring for children, provided behaviour therapy, and has volunteered in various community settings to promote children’s mental health and wellbeing. She enjoys being connected to her community to support the needs of young people and is actively involved in volunteering with schools.


Anita holds a Bachelor of Psychology (Honours) from Curtin University and Master of Professional Psychology at the University of New England. She is completing her internship with Sydney Children’s Practice to obtain general registration as a Psychologist. 

Anita is available in Glebe on Tuesdays, Wednesdays, Thursdays and Fridays

Melisa Hassan

Provisional Psychologist

Registration PSY0002614769
BPsy(Hons), AssocMAPS

Melisa is a compassionate, dedicated, and enthusiastic Provisional Psychologist with a passion for working collaboratively with children, adolescents and their families to support positive change through a holistic and client-centered approach. Melisa has an interest in working with various presentations including ADHD, anxiety disorders, adjustment disorder, behavioural challenges, and mood disorders and has experience in the use of evidence-based intervention strategies such as Cognitive Behavioural Therapy (CBT).


Melisa places emphasis on creating a safe, trusting, and nurturing therapeutic environment where clients and families feel supported in expressing themselves and exploring their cognitions and emotions. She has a background in working with children, adolescents, and adults within various mental health settings including within the NDIS and private practice.


Melisa holds a Bachelor of Psychology (Honours) and is completing her internship with Sydney Children’s Practice to obtain general registration as a Psychologist.

Melisa is available on the following days:
Glebe: Tuesdays, Thursdays and Fridays
Stanmore: Wednesdays

Ashley Moore


Registration PSY0002340356
GradDipPsychSci (Ad), BEd, BA (Hist & Ph
i), AAPi 

Warm and compassionate, Ashley takes a collaborative approach to therapy by tailoring a treatment plan to address presenting concerns and assist clients in reaching their therapeutic goals.


Ashley utilises a range of evidence-based contemporary treatment modalities, including Cognitive Behaviour Therapy (CBT), Acceptance & Commitment Therapy (ACT). Motivational Interviewing and Mindfulness. He has experience working with children and adolescents and adults with varies presentations, including anxiety, depression, stress, self-esteem issues, attention deficit hyperactivity disorder (ADHD), and Autism. He has worked in private practice, TAFE NSW students and NDIS clients.


Ashley has a background as a school teacher and thus brings a wealth of knowledge and experience from related fields of study and employment to his role as a psychologist.

Ashley is available on Tuesdays, Thursdays and Fridays in Glebe

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Stuart Lokhee

Clinical Psychology Registrar

Registration PSY0002355126

M.ClinPsych, M.Crim, BSocial Sc (Psych.Hons1),

Grad Dip Psych, Grad Dip Ed, B.Econ, MAPS

Stuart is a dedicated and compassionate Psychologist with a firm commitment to supporting young people and their families. He understands the importance of engaging with his clients and carers in therapy. He has a particular interest in helping young people and their carers to understand any recent psychological diagnosis.

With a 25-year career spanning education, criminal justice, and the United Nations, Stuart brings unique and rich perspectives to his work at Sydney Children’s Practice. Stuart draws on his experience working in community, hospital, and child and family settings, to help clients quickly identify difficulties, develop appropriate emotional and life skills, and problem solve to foster resilience. He
understands that every family is unique, and he tailors evidence-based treatments to meet clients’ sp
ecific needs. Stuart's approach to therapy is collaborative and practical, creating a non-judgmental and supportive environment for his clients.

Stuart is available on the following days:
Stanmore: Mondays
Glebe: Tuesdays and Wednesdays

Julia Schwarz

Senior Psychologist

Registration PSY0001137392

Julia is a registered senior psychologist who has worked 

with children and families for nearly 25 years. Julia has provided therapy for children and adolescents across a range of issues, including anxiety, depression and adjustment difficulties. Julia is accustomed to evaluating the impact on children of life experiences, including trauma and separation and loss.

Julia enjoys working with children of all ages and takes a warm and empathetic approach that is attuned to children's ages and developmental needs.

Julia also appreciates opportunities to work with parents and other adults who are in caregiver roles. Julia is interested in promoting healthy family functioning and endeavours to take a respectful approach which recognises that parents and caregivers hold the expertise about their children and families. Julia can offer guidelines and strategies where families need support in understanding and managing the behaviours and emotions of children and young people.

Julia has completed a Masters of Qualifying Course (Honours level) with the University of Sydney.

Julia is available on Wednesdays and Fridays in Glebe

Kate Evans

Clinical Psychologist

Registration PSY0002036528
MClinPsych, BPsych (Hons), MAPS 

Kate is a clinical psychologist and is passionate about providing evidence-based psychological interventions to support children, adolescents and their families. She offers a warm and collaborative approach to promote positive change within families.

Kate draws on a cognitive-behavioural foundation and is particularly passionate about working with young people experiencing a range of challenges such as anxiety, depression, and behavioural difficutlies.

Kate has completed her Masters of Clinical Psychology from Macquarie University and has over 14 years experience working across public and private mental health settings.

Kate is available on Mondays, Tuesdays and Wednesdays via telehealth

Serena Suen

Provisional Psychologist

Registration PSY0002707623
MProfPsych, BPsychSc(Hons), BSc(Psych), AAPi, APS 

Serena is a nurturing and dedicated provisional psychologist who has an enduring passion for working with young people and their families. Serena strives to create warm, compassionate, and collaborative spaces to ensure clients feel supported as they navigate mental health challenges and develop positive strategies for sustained change.

Serena has an interest in working with presentations including anxiety disorders, mood disorders, behavioural difficulties, and neurodiverse individuals, and is committed to implementing evidence-based interventions to meet clients’ unique needs . With a background in music teaching and behaviour therapy, Serena enjoys connecting with clients in creative and fun ways as they journey towards greater wellbeing. 


Serena holds a Bachelor of Psychological Science (Honours) from the University of Newcastle and Master of Professional Psychology at Western Sydney University. She is completing her sixth-year internship with Sydney Children’s Practice to obtain general registration as a psychologist.

Serena is available on the following days:

Glebe: Mondays, Tuesdays, Thursdays and Fridays

Stanmore: Wednesdays

William Li

Clinical Psychology Registrar

Registration PSY0002123025
BSc(Neuro), BPsych(Hons), MPsych(Clin) 

Will is a dedicated psychologist fluent in English, Mandarin, and Japanese who brings a deep understanding of adolescent mental health to their practice. He has Master's Degree in Clinical Psychology from ACU and is currently completing a PhD at the Institute for Positive Psychology and Education, researching how to improve the efficacy of adolescent psychotherapies through personalisation methods.

Known for his easy-going nature, Will creates a supportive and welcoming environment where clients feel safe and understood. His dedication to personalised care ensures that each individual receives tailored support to achieve their full potential and reach their therapeutic goals.


Will has experience working with a wide range of psychological disorders and draws from evidence-based interventions, including Cognitive Behavioral Therapy (CBT), Acceptance and Commitment Therapy (ACT), and Dialectical Behavior Therapy (DBT). He has a particular interest in anxiety related disorders such as social anxiety, panic disorder, and generalised anxiety disorder. 

William is available on Mondays and Tuesdays in Glebe

Christos Tatsis


Registration PSY0002594617
BPsych (Hons), MPsych (Couns) 

Christos is a psychologist who is really passionate about young people, and has a keen interest in researching, understanding and working through the unique difficulties that youth face in the modern world. Christos believes that each young person requires a unique approach to therapy, and strives to ensure that the young person and their carers can both achieve a more optimal, whole and authentic way of life through working together. 

Christos completed a Bachelor of Psychology (Honours) from the University of Sydney with First Class Honours. He then completed his Master’s program away from home, pursuing his special interest of Counselling Psychology at the University of Queensland – the only place that offers it in Australia. Christos is able to use evidenced-based approaches, and also enjoys being creative and combining these with humanistic and existential approaches depending on the needs of the young person. Christos has a background of working with young people from all ages both as a psychologist and as a sports coach, and he has a special interest in working with existential concerns, explorations about life’s meaning, and grief. 

Christos is available on Mondays, Tuesdays and Wednesdays in Glebe

Alex Aslan

Provisional Psychologist

Registration PSY0002708025

GradDipPsych(Hons), MPsych(Clin)

Alex provides a holistic, collaborative and practical therapeutic approach. He incorporates evidence-based interventions including Cognitive Behavioural Therapy (CBT) and Acceptance and Commitment Therapy (ACT), with a focus on building on clients’ strengths to create positive growth and work towards personally meaningful goals. He believes in creating a space for authentic self-expression as a means to gain insight and self-awareness. 


Alex has experience working with adults and young people experiencing anxiety, depression, panic attacks, separation anxiety, worry, trauma, low self-esteem, sleep difficulties, OCD, and performance anxiety.


Alex holds a Post Graduate Diploma of Psychology (Honours) from the University of Sydney, and is currently in his final year of his Master of Clinical Psychology at Western Sydney University. He is completing his sixth-year internship with Sydney Children’s Practice to obtain general registration as a psychologist.

Alex is available on Mondays, Wednesdays and Fridays in Glebe

Simone Hrncir

Practice Manager

As the Practice Manager with over a decade of dedicated service in the field of psychology, Simone has a real passion for the work she does.


With a solid background in psychology administration, Simone is committed to creating an environment that prioritises both the well-being of clients and the smooth functioning of the practice.


Simone is dedicated to fostering a welcoming and supportive atmosphere, allowing the Sydney Children’s Practice team of skilled clinicians to focus wholeheartedly on delivering high-quality care to everyone.

When she is not at work, Simone enjoys spending time with her family and weekends away.


Selene Pragasam

Administrative Assistant

Selene is part of our friendly administrative staff and helps with all appointments and general enquiries.


When not helping out in the office, she likes to be in her garden or crafting whilst listening to Harry Potter audio book. She is kind, respectful, creative and loves all that’s colourful!

Jenny Wang

Administrative Assistant

Jenny is a welcoming member of our administrative team and is passionate about providing a warm experience to young people and families who are seeking mental health support.Jenny helps with all appointments and general enquiries at both the Glebe and Stanmore offices.


She loves playing team sports and enjoys a healthy mix of fun and competition. She recently completed her Honours in Psychology at UNSW.

Kristina Petkovich

Administrative Assistant

As a member of the administrative team, Kristina helps with all appointments and general enquiries across both the Glebe and Stanmore offices. She is dedicated to creating a welcoming atmosphere for everyone who walks through Sydney Children's Practice's doors and loves to be able to put a smile on anyone's face.


Kristina is hoping to one day pursue and Master's of Clinical Psychology. In her spare time, Kristina loves to hang out with friends, try new foods, and plan her next trip overseas!


Office Puppy

Dolly is our incredible therapy dog in training! Dolly is our youngest team member, at 2 years old, and is a bundle of furry joy, ready to play, cuddle, and make your visit to Sydney Children’s Practice an absolute blast!

Dolly is a pro at playtime and has a special place in her heart for kids. Nothing gets her tail wagging faster than the sound of giggles and the chance to dive into some fun games. Whether it’s chasing after tennis balls or engaging in a friendly tug-of-war match, Dolly’s energy and enthusiasm are off the charts! She’s always up for a playful adventure and knows how to bring out the laughter in even the shyest of children.

Belly rubs are her ultimate weakness, and she’ll shower you with doggie kisses in return! She loves nothing more than snuggling up close, providing comfort and companionship.

While Dolly is all about fun and games, she’s also hard at work learning the ropes of being a top-notch therapy dog. With the guidance of our clinic director, Brad, she’s honing her skills in emotional support, social interaction, and therapeutic engagement. Dolly’s dedication to her training ensures that she’s always ready to lend an understanding paw and a wagging tail to those who need it most.

We feel incredibly lucky to have Dolly as part of our practice, where her playful personality and her presence brings a smile to everyone’s face and reminds us all of the power of unconditional love and acceptance.

So, when you come to visit our practice, keep an eye out for Dolly’s wagging tail and bright smile. She’ll be ready to greet you with a wagging tail, endless energy, and a heart full of love.

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