MEET THE TEAM
All our clinicians are registered with the Australian Health Practitioner Regulation Agency, the regulatory authority overseeing all health professions' Boards including the Psychology Board which sets the guidelines and policies for all Psychologists.
Our services are provided in accordance with the Australian Psychological Society Code of Ethics and Professional Practice to protect privacy and confidentiality, and ensure quality of care and services.
Our amazing team apply language, insight, and expertise into the realms of mental health and holistic wellbeing, acknowledging the mind and spirit as the genesis of rejuvenation.
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OUR CLINICIANS
MELANIE CALDER
BSc (Honours), MProfPsych, MAPS
Director and Principal Psychologist
Melanie Calder is the Founder and Principal Psychologist at Calder Psychology. She is a registered psychologist with advanced training in the assessment and support of neurodivergent individuals across the lifespan.
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Melanie holds a Master of Advanced Professional Psychology, a Master of Professional Psychology, and a Bachelor of Science in Psychology (Honours), completed at The University of Western Australia (UWA) and La Trobe University.
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She has completed specialised training through UWA in autism assessment and has experience conducting comprehensive autism and ADHD assessments across children, adolescents, and adults. She also has a strong interest in autism and ADHD intervention, supporting individuals across the lifespan with attention, emotional regulation, and everyday functioning.
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Melanie has a special interest in trauma-informed care for individuals experiencing PTSD and complex PTSD. She works within a holistic, strengths-based framework, supporting the connection between mental and physical well-being. She is passionate about creating a safe and supportive environment where clients feel understood and empowered to build meaningful lives aligned with their values.
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With extensive experience, Melanie works with children, adolescents, and adults from diverse backgrounds, supporting a wide range of emotional, behavioural, and developmental challenges.
She specialises in helping clients better understand themselves and build practical skills to improve everyday functioning, emotional wellbeing, and quality of life. Melanie provides evidence-based support for:
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Autism spectrum disorder (ASD)
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Attention-deficit/hyperactivity disorder (ADHD)
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Trauma, including PTSD and complex PTSD
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Anxiety, stress, and excessive worry
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Depression and emotional regulation difficulties
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Behavioural challenges in children and adolescents
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Low self-esteem and confidence
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Building resilience and coping skills
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Melanie takes a warm, strengths-based and neuroaffirming approach, helping clients feel understood, supported, and empowered to create meaningful and lasting change.
Melanie utilises a wide range of evidence-based therapeutic approaches:
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Cognitive Behavioural Therapy (CBT)
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Acceptance and Commitment Therapy (ACT)
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Eye Movement Desensitisation and Reprocessing (EMDR)
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Mindfulness-Based Cognitive Therapy (MBCT)
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Interpersonal Psychotherapy (IPT)
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Motivational Interviewing
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Dialectical Behavioural Therapy (DBT)
Additionally, Melanie draws on the principles of Polyvagal Theory, Neurosequential Model of Therapeutics (NMT), attachment theory, and relational framework theory to support her clients' diverse needs.
Melanie is committed to providing exceptional care tailored to each individual's unique needs. With a compassionate approach, she prioritises the well-being of her clients and empowers them to overcome challenges and achieve their goals.
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Languages: English, Filipino (Tagalog)​
DR JOSEPH FLEMING
PhD, MSW
Registered Mental Health Social Worker
Joseph is a highly experienced counsellor and therapist, as well as an Accredited and Registered Mental Health Clinical Social Worker. He brings a calm, compassionate, and grounded approach to his work, helping clients navigate a range of challenges including:​
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Depression
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Anxiety related disorders
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Workplace issues
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Grief and Loss
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School related issues such as bullying, school refusal and behavioural difficulties
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Couples counselling
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Family relationship issues, and interpersonal difficulties
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Workers’ compensation claims, ICWA Motor Vehicle Accidents Claims (MVA), insurance reports, criminal injuries claims
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Joseph’s relaxed, supportive style helps create a safe and welcoming environment where meaningful therapeutic work can unfold. His strengths-based, outcome-oriented approach is informed by extensive training and hands-on experience, enabling him to tailor each session to the unique needs and goals of the individual.
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Whether you're seeking support for a specific concern or looking to foster ongoing personal growth, Joseph offers a professional, empathetic, and collaborative space to guide you on your journey toward healing and wellbeing.
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HUMAIRA ABDUL-JALIL
BSc (Honours), MProfPsych
Registered Psychologist
Humaira is a warm and compassionate psychologist who holds a Bachelor of Psychology (Honours) and a Master of Psychology (Professional) from Curtin University. She enjoys working with people of all ages and from a wide range of cultural backgrounds, including those from Islamic faith communities.
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Humaira supports clients facing challenges such as OCD, depression, anxiety, stress, and relationship or interpersonal difficulties. She also works with individuals exploring questions around identity and deeper, underlying patterns in their lives. In addition, she has experience supporting neurodivergent individuals, including those with ADHD and Autism.
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Her approach is thoughtful, client-centred, and culturally responsive. Humaira takes care to tailor therapy to each person’s unique needs, drawing on evidence-based approaches like CBT, Schema Therapy, DBT, and behavioural strategies to help clients create meaningful, lasting change.
MICHELLE LALKAKA
Provisional Psychologist
Michelle is currently completing her Master of Professional Psychology. She also holds a Graduate Diploma in Psychology at Murdoch University and aspires to become a Clinical Psychologist. She has strong skills in communication, cultural awareness, and a genuine interest in the wellbeing of children and adolescents. Her thoughtful, empathetic approach ensures that every participant feels seen, valued, and supported as they engage in our group activities.
She brings a wealth of creativity, encouragement, and a warm, welcoming spirit to our LEGO Club. In her role as a volunteer assistant, she supports a vibrant and engaging environment where participants can share ideas, embrace new challenges, and have fun building — not just with LEGO bricks, but also with friendships and confidence.​
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OPERATIONS TEAM
DUNCAN CALDER, FCA
Client Support | Business Development
Duncan, a qualified Chartered Accountant, plays a pivotal role in ensuring the seamless operation of the practice. He leads the business development and finance functions at Calder Psychology. His unwavering integrity is evidenced by the application of his personal and professional skills.
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Duncan served as a partner at KPMG Australia from 1997 to 2014, where he led various sectors, including corporate finance, forensic services, and energy and natural resources practices in Western Australia, contributing significantly to the firm's success for decades. He led a major bilateral business organisation, instrumental in fostering multiculturalism and strengthening ties between Australia and Asia for a decade. He has been the managing director of Contour Value since 2014, focusing on helping businesses to assess, create, improve, and realise value.
With a profound commitment to fostering multiculturalism, diversity, and inclusivity, Duncan serves as a beacon of warmth and acceptance, creating an environment within the Calder Psychology team that thrives on openness, mutual respect, and collaborative spirit.
GLYN MACLEAN
Technology Manager
With a wealth of experience spanning decades, Glyn is an expert across the ever-evolving digital landscape. He has particular expertise in cyber security, ensuring that Calder Psychology has strong safeguards to protect our clients' personal data. He has worked internationally and forged connections with a diverse array of individuals and organisations, lending his insights and guidance to tackle the intricate challenges of our digital age.
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Beyond his technical acumen, it is Glyn's empathetic nature that truly sets him apart. His innate ability to understand and relate to others brings a refreshing wave of positivity to the cultural fabric of the Calder Psychology team. With Glyn in the mix, collaboration flourishes, and a sense of camaraderie permeates through every endeavour.
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Glyn extends an open invitation to connect at glynjmaclean@gmail.com. Whether it is a query, collaboration opportunity, or simply a friendly exchange, Glyn stands ready to lend his expertise and empathetic ear to all who reach out.