Behavioural Edge Psychology

Meet Dr Sarah Fischer, Principal & Organisational Psychologist, your partner in being your best

I am the Principal Psychologist at Behavioural Edge Psychology. I have deep expertise in helping individuals be their best. At Behavioural Edge Psychology, you can be assured of utmost confidentiality and discretion, ensuring your privacy is always respected and protected.

Expert Psychologist in Caulfield South and St Kilda

My Areas of Expertise

High-Functioning Anxiety, Depression, & Burnout – Supporting professionals, parents, carers, and achievers who appear fine on the outside but are struggling beneath the surface.

Neurodivergence in Adults – Comprehensive ADHD and autism assessments using highest quality diagnostic tools, with a particular focus on later-life diagnosis and the unique presentation in women and professionals who have learned to mask.

Trauma & Complex PTSD – Evidence-based approaches for individuals navigating the lasting impacts of childhood trauma, workplace trauma, or relational harm.

Workplace Psychology – Specialised therapeutic support, fitness for work/return to work assessments, and psychosocial incident assessments for workplace matters including psychosocial incidents, bullying, harassment, and Fair Work proceedings. I also consult to organisations on how to create psychologically safe, high-performing conditions for employees.

Why Clients Choose Behavioural Edge

I create a judgment-free space where clients' experiences are validated and strengths are recognised. My approach integrates evidence-based interventions with trauma-informed care that respects clients' autonomy and builds on their existing resilience. Whether seeking diagnostic clarity, therapeutic support, or workplace assessment, clients receive thorough, compassionate, and practical guidance.

I am also a NDIS, WorkCover, and TAC provider. Get in touch if you have questions about how to utilise these services.

Book with me

Psychology & Professional Services

I create a supportive environment that fosters growth and success. Let me help you or your organisation navigate challenges and unlock your full potential.

Individual therapy for adults

I understand the contemporary stresses adults are facing in work, home, and community. Whether you want Telehealth or in person, my practice can support you.

Registered WorkCover, TAC, and NDIS provider accepting referrals under these schemes and provides Medicare rebates.

Adult ADHD and Autism assessments

I provide accessible ADHD and Autism assessments using the DIVA-5 and MIGDAS-2 for adults in collaboration with psychiatrists and GPs. Every assessment is neurodiversity-affirming and designed to provide both validation and direction, while also giving you and the people around you the language, evidence, and strategies needed to better support your wellbeing.

Fitness to Work &
Return to Work

I offer Fitness to Work and Return to Work psychological assessments. These services are crucial for informing decisions in complex cases, particularly those managed under Workers' Compensation (WorkCover), Motor Vehicle Accident (CTP) claims. My focus is to provide clients with a clear, objective assessment of an individual’s psychological readiness and functional capacity to perform their job duties following an injury, illness, or period of absence safely and sustainably.

Independent Psychological Assessment

I conduct independent psychological assessments for medicolegal uses. My reports address workplace psychological injury, neurodevelopmental conditions, complex trauma, and fitness to work, and are prepared to assist courts, tribunals, and decision-makers with objective, evidence-based psychological opinion. Referrals are accepted directly, through MeDirect, from both plaintiff and defendant solicitors, insurers, and employers.

Organisational psychology consulting

What steps is your organisation taking to design and implement effective psychosocial risk management systems in response to this clear regulatory and legislative intent?

Using my evidence-based diagnostic tools, Behavioural Edge Psychology assesses psychosocial risks and provides actionable recommendations. This helps organisations not only comply with regulations but also achieve best-practice standards.

Career coaching

Career coaching at Behavioural Edge Psychology is led by Mark Fischer, a senior leader with more than a decade of experience across higher education, state government, executive search, and innovation. The service offers a structured space to think through a career question with a coach who has worked on both sides of the table, hiring senior people, leading large teams, and partnering with executives through significant change.

Servicing Bayside Melbourne and the south-east suburbs

Discover Behavioural Edge Psychology

Ideal for clients located in Albert Park, Balaclava, Brighton, Brighton East, Carnegie, Caulfield South, Elwood, Hampton, Highett, McKinnon, Moorabbin, Port Phillip, Prahran, South Melbourne, St Kilda East & West, Toorak, Windsor, and other Bayside suburbs. I practice from the following locations:

There is ample street and private parking and my rooms are easily accessible via public transport.

I also offer Telehealth sessions via video and telephone.

Caulfield South

St Kilda