Meet our Psychologists Team


Janice Killey

Senior Psychologist

Janice has a wealth of experience and training, holding a Diploma of Education, Bachelor of Arts (Psychology), Master of Arts (Counselling), Diploma of Clinical Hypnotherapy (ASH) and is a Registered Psychologist and member of the Australian Psychological Society.
Janice has over 19 years’ experience counselling a broad range of individuals, couples, families and groups.

Janice’s approach is supportive and collaborative, aimed at raising awareness and thus recovery through personal growth. Areas of expertise include child and adolescent issues, couple counselling, post-natal depression, parenting issues, anxiety, depression, anger management, drug and alcohol and other addictions, mindfulness and hypnosis. Work place stress, Employee Assistance Program (EAP) and workers compensation are other areas of Janice’s counselling expertise, as is Career, Executive and Life Coaching. In 2015 Janice qualified as a Nationally Accredited Dispute Resolutions Mediator.

As our principal Psychologist at Psychologists Southern Sydney (PSS) Janice sets high professional standards for all the team to follow. She employs fellow psychologists that have a commitment to integrity, confidentiality, excellence in counselling techniques and client care.

As someone who has raised a family and built PSS business in the St George and Sutherland Shire with her husband Mark, Janice provides clients with a wealth of counselling and therapeutic experience plus an understanding and maturity that comes from extensive life experiences.


Mitch Jordan

Registered Psychologist

Mitch is passionate about working with adolescents and adults to help them navigate through difficult times. He takes a personable, collaborative, approach to assist individuals overcome the challenges they are experiencing and aims to foster the development of life skills and resilience to enable the person to feel empowered to take the necessary, practical steps to help them move forward.

Mitch’s key areas of interest are stress, anxiety, depression, panic disorders, mood disorders, relationship issues, grief and trauma, and workplace issues. In session he enables individuals to motivate themselves to feel empowered for positive change. Mitch understands the importance of developing holistic goals and strategies that encompass family, social, educational or workplace situations. This helps ensure you develop the skills to improve all aspects of your wellbeing.

In his work with Adolescents Mitch takes a practical, understanding approach to work with the issues that affect teenager’s lives – social, developmental, educational and other life challenges and pressures, including the difficulties they experience in their always connected lives, Mitch endeavours to help them build the resilience and practical solutions to foster long-term change.

As a registered psychologist, Mitch’s qualifications include a Bachelor of Psychology (Hons) and Graduate Diploma in Psychological Practice. He is an accredited treatment provider for Medicare, the NSW State Insurance Regulatory Authority and has experience working with individuals whom are dealing with various insurance schemes including Income Protection, TPD, CTP and workers compensation.

Having worked in Australia and the United Kingdom, Mitch has had a variety of experience, including counselling, having worked in an educational setting and organisational settings. This experience includes working in employee assistance counselling, corporate and insurance schemes along with vocational and psychometric testing. He understands that every individual is unique and has this in mind when developing treatment plans for individuals using evidence-based therapies such as CBT, ACT, IPT, and Solution Focused Therapy.

This experience combined with Mitch’s therapeutic learning has helped Mitch to understand the importance of having a balance in life, an understanding he brings to each therapeutic session. The goal is to work one on one with you to overcome the issues that are holding you back from enjoying your life, relationships, work and more. As a registered psychologist, Mitch shares our practice’s high standards of ethics, confidentiality and client care.

Outside of work, Mitch enjoys trying his best to keep fit and healthy and has both travelled and lived overseas for extended periods of time which has given him a unique perspective on the fast-paced world with live in today and the challenges that we experience in society.


Jennifer Henderson

Senior Psychologist

Jennifer Henderson is a Registered Psychologist who has worked as a Professional Counsellor and Psychologist since 2000. She provides psychotherapy to young and older adults experiencing many of today’s mental health and wellness and lifestyle issues.

Jennifer is a caring, empathic and patient therapist, who works with people to overcome depression, anxiety, stress, adjustment disorders, personal growth and career development, and much more. As a counselling psychologist Jennifer works by allowing clients to share their experience, then facilitating them to develop powerful strategies to overcome the issues that are holding them back. Jennifer uses solution focused and evidence-based therapies amongst others. She works collaboratively and sensitively with her clients to achieve a positive change in their well-being, life and relationships.

On top of her professional experience Jennifer brings with her extensive life experience. Born in England, Jennifer has lived in Zimbabwe and South Africa before moving to Australia over 18 years ago. She has three adult children who live around the world with their families. Her journey has included working with neglected and abused children, women experiencing domestic abuse and people experiencing many forms of relationship issues.

More recently she has enjoyed working with clients in Retirement Villages and continues to have a special interest in healthy ageing. She also has a special interest in Trauma counselling and continues with her personal knowledge development by studying Trauma Response and Counselling. In 2014 she published a book ‘Write to Wellness’ while working with an adult group which encouraged members to use writing as therapy via self-expression.


Ayman Kassir

Registered Psychologist

Whether it’s working with adolescents, adults, couples or families, Ayman possesses a deep passion in helping his clients to build resilience and reach their full potential. His treatment approach comprises of empathy, warmth, optimism, a touch of humour, and the commitment to his clients that a way forward can be found for them to enact the changes to enable them to live a valued and meaningful life. His approach to therapy is collaborative, motivational and adaptive to individual needs, which enables him to easily engage and collaborate with clients of all ages and backgrounds. He is passionate about working from a person- centred approach, which means that each client is highly involved in the development of their individual intervention and goals.

Ayman’s key areas of interest and expertise include: depression and mood disorders; anxiety and panic disorders; life goals and direction; relationship difficulties; abuse issues; eating disorders; workplace conflicts; addictions; trauma and post-traumatic stress; grief and loss. His special interest also lies in helping his clients to overcome their stresses of modern society, particularly during times of transition and adjustment to new life circumstances.

As a member of the Psychologists Southern Sydney team Ayman shares our high professional, ethical and therapeutic standards.

Ayman is a fully registered Psychologist with the Psychology Board of Australia / Australian Health Practitioner Regulation Agency (AHPRA) and is a full Member of the Australia Psychological Society (MAPS). He holds a Graduate Diploma in Psychological Practice and a Bachelor degree in Psychology. He is also an accredited treatment provider for Medicare & WorkCover / NSW State Insurance Regulatory Authority.

Ayman has worked in corporate and vocational rehabilitation settings within government and non-government fields prior to his current experience in private practice. His primary focus today is providing individual counselling for adults and older adolescents. In his role he has worked extensively with people presenting with depression, anxiety, stress, life transition difficulties and trauma-related issues. He uses evidence-based therapies integrating Cognitive Behavioural Therapy (CBT), Acceptance & Commitment Therapy (ACT), Interpersonal Therapy (IPT), Solution-Focused Brief Therapy (SFBT) couple and family systems therapy, Mindfulness strategies, and others with his clients.

Beyond the academic and professional, Ayman’s life and family experiences give him a balanced understanding of the issues affecting his client’s day to day wellbeing and relationships.


Irene Koullapis

Senior Psychologist

As a Psychologist Southern Sydney (PSS) therapist, Irene shares our values of providing an empathetic, caring and professional approach to her counselling sessions, valuing the importance of building rapport and tailoring sessions according to the unique goals of each individual. She collaboratively assists clients with developing the necessary skills to achieve their personal goals, generating helpful perspectives and ways of thinking and practical strategies to enhance satisfaction and well-being. Irene encourages an exploratory approach with clients and enjoys building inner resilience, life balance and contentment.

Irene is a Registered Psychologist with over 10 years of experience in counselling and clinical psychology. In that time she has gained a wealth of specialist skills and experience in working with adolescents and adults of a broad age range and backgrounds.

Currently, she works with clients on a large variety of emotional and behavioural issues, including stress, anxiety, depression, mood disorders, grief/bereavement, relationships, substance abuse, workplace issues, chronic pain and self-esteem.

Her training includes a Bachelor of Social Science (Psychology) Honours and specialised evidence based therapy training, including Cognitive Behavioural Therapy (CBT), Acceptance and Commitment Therapy (ACT), and Solution Focussed Therapy.

Irene also has experience in employee assistance (EAP) counselling, vocational and rehabilitation assessment. She is knowledgeable in supporting individuals with intellectual, learning and physical disabilities in sustaining employment and managing related issues, such as performance anxiety. She is also skilled in using psychometric tools to assess IQ levels and explore learning limitations to assist with managing long term functioning. Irene has worked extensively with government and corporate organisations, with particular focus on employment and vocational psychology and holds a Diploma qualification in Business and Human Resource Management.

Irene also speaks Greek for non-English speaking clients.

As an individual, Irene has strong family values, is well-travelled and has undertaken volunteer work. To balance her personal and work life, Irene believes in healthy eating and fitness and enjoys relaxation through music and her interest in visual arts.