Dr Cithambaram's professional background is Learning disabilities, palliative and end-of-life care, old age and dementia.

His doctoral research focused on end-of-life care needs of people with learning disabilities in which he developed a model of service delivery to meet the end-of-life care needs of people with learning disabilities.

Dr Cithambaram's research interests focuses on improving health and wellbeing of older population in long term care settings and dementia.