About The Serotonin Suite

The Serotonin Suite is a Queensland based company, offering telehealth psychology services Australia-wide. We aim to make therapy accessible, convenient, stigma-free, and effective for clients across Australia.

Our Mission

The Serotonin Suite was founded with a simple intention: to empower Australians to take charge of their mental health by offering personalised psychological intervention that promotes clarity, healing, growth, and resilience. Our aim is to help you foster calm, confidence, and lasting happiness from the inside out. Whether you’re seeking personal growth, or support through a difficult period, we’re here to help you. Your mental wellbeing and inner calm are at the heart of everything we do. Here, you’re met with compassion, understanding and expert care – so you can move forward with confidence and clarity.

Our Values

Compassion: We treat every client with empathy, understanding, and respect.
Professional Excellence: We uphold the highest standards in clinical practice as AHPRA-registered psychologists.
Accessibility: We make mental health care convenient through telehealth, ensuring support is never out of reach.
Empowerment: We help clients build the skills, insight, and confidence to navigate life’s challenges.
Integrity: We provide transparent, evidence-based therapy with confidentiality and trust at the core.

Qualifications and Training

Full registration as a Psychologist with the Australian Health Practitioner Regulation Agency (AHPRA)

Graduate Diploma of Psychological Science, Bond University

Bachelor of Science (Psychology), University of Southern Queensland (USQ)

Diploma in Psychological Therapies, The Association for Psychological Therapies (APT). Cassie has pursued post-graduate training in the following therapeutic modalities:

Cognitive Behavioural Therapy (CBT)
Dialectical Behaviour Therapy (DBT)
Solution Focused Therapy (SFT)
Acceptance and Commitment therapy (ACT), and
Compassion Focused Therapy (CFT)

Affiliations

Member of the Australian Association of Psychologists (AAPi)

Meet Cassie

Cassie Kroesen is a personable, down-to-earth, and dedicated registered psychologist with extensive experience supporting adults, adolescents, and children across a wide range of mental health concerns. Cassie works with private clients, individuals accessing therapy through a Mental Health Care Plan (MHCP), and NDIS participants. She is passionate about helping individuals build resilience, improve emotional wellbeing, and achieve lasting personal growth through evidence-based, person-centred care. She provides psychological therapy for participants with a wide range of disabilities, including psychosocial, developmental, cognitive, and neurological conditions.

Cassie completed her post graduate studies at Bond University on the Gold Coast and regularly pursues professional development opportunities to expand and refine her professional knowledge and skills, and to keep abreast of developing therapeutic techniques.

“ I aim to assist clients in maximising their potential and minimising their suffering”.

Why Telehealth

Convenience: Attend therapy sessions from anywhere - no travel, no waiting rooms.
Flexibility: Schedule therapy around your life, whether at home, work, or on the move.
Accessibility: Receive professional mental health support regardless of location, including regional and remote areas.
Comfort & Privacy: Create a safe space in your own environment, which can enhance openness and comfort during sessions.
Continuity of Care: Maintain consistent therapy even during travel, relocation, or challenging circumstances.

All bookings and inquiries are managed through our secure contact form.