Our Team

Karen Massier – Managing Director
Karen is the Managing Director for Assessments Australia and is responsible for future policy development for the MAX Solutions Group with a focus on disability markets. Karen brings 18 years’ experience in social policy development, service design and delivery and government relations strategy.


Her career has focussed on improving opportunities for all Australians and she is passionate about policy design that helps people help themselves. Karen has worked in Government as an adviser and chief of staff to three former Federal Ministers for Employment during the implementation of welfare reform agendas. While working in the Australian Public Service for five years, Karen headed teams designing welfare to work programmes, the privatisation of service delivery and programme management.


Most recently Karen has worked in the private sector specialising in strategy and positioning for government human service opportunities.



Karen has a Bachelor of Laws and a Bachelor of Arts from Monash University and has been admitted to practice in the ACT Supreme Court.


With three young children, Karen is involved in her local school and sporting community and any spare time is spent baking.


Dr Melissa Slavin – Professional Services Manager
Melissa oversees all disability related programs within Assessments Australia and has led the delivery of support plans across three different projects for the NSW Department of Ageing Disability and Home Care (ADHC). She also manages a number of assessment programs for both state and federally funded projects.

Melissa has worked extensively within research fields both in Australia and internationally and is a highly published academic with a specialty in ageing and dementia research. She maintains a Conjoint Senior Lecturer position at UNSW.


Through her role, Melissa is working closely with the NDIA in developing new service areas.
Melissa has a PhD, Masters of Clinical Neuropsychology and Bachelor of Science (Hons).
Melissa has a four year old son who keeps her busy around the parks of Sydney, and is heavily involved in her local community.


Grant McKell – Program Manager – PSD-AS
Grant is an experienced psychological and educational practitioner, and is the Program Manager for the PSD-AS for Assessments Australia. He has worked in various roles in the NSW Department of Education and Communities over a twenty-one year period, including teaching, psychology, student welfare consultancy, behaviour program coordination, design and delivery of professional development programs, and has contributed as a member of executive teams at both school and regional level.


As a psychologist with over 15 years’ experience, Grant is skilled at delivering cognitive assessments and possesses
an intimate knowledge of assessment, test administration, interpretation and reporting.
He is passionate about meeting the needs of all learners in educational settings and has a strong understanding of how assessments can be used to inform plans according to the contexts in which clients are situated.
Grant holds a Bachelor of Science degree from Sydney University, as well as a Masters of Education from the University of Western Sydney. He is registered as a Psychologist with AHPRA and is a member of the Victorian Institute of Teaching.


Away from his professional life, Grant enjoys writing and playing music. He is a father to two teenage children.


Rachel Dillon – Program Manager – Child Welfare
Since graduating as a Social Worker from Monash University in 1999, Rachel has dedicated her life’s work to protecting children. She has worked for both government and non-government organisations in various Australian states as well as in the UK, where she spent 5 years in various London Boroughs.

Rachel has been working in NSW since 2006 and has assisted in the development and leadership of Restoration and Parenting Capacity programs as well as supervising research papers on Restoration for children in Out of Home Care to their birth parents.


Commencing with Assessments Australia in 2009 as an assessor, Rachel now leads the Child Welfare Program in achieving best placement outcomes for children and young people in Out-of-Home Care.
As much as Rachel loves her career, her greatest achievement is as a wife and Mum to her own three children, whilst sitting on various school and sporting committees.


Shane Tapley – Manager Business Development
Shane has over 20 years’ experience in strategy and planning, new product and service development, sales, product and project management, market research and strategic alignment of organisations to meet client needs. He has extensive experience working in Government and regulatory markets in Australia and Internationally.

He is motivated in working with clients to understand their challenges and designing a product or service solution to meet their needs. In doing this, Shane is driven by harnessing the potential of the organisation to deliver impactful strategic and tactical products and services that deliver value to the client.

Through his role, Shane is currently working extensively across the MAX Solutions Group to develop new opportunities and improve Assessments Australia’s service offerings to Government organisations and individual participants in human services initiatives.


Shane has a Masters of Business in Marketing and Bachelor of Arts from the University of Technology Sydney.
Outside of work, Shane is a dedicated dad to his two daughters. He is also a self-confessed cricket tragic and wine snob, and he firmly believes the Parramatta Eels are due for premiership glory this year.




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