Dr Allcroft graduated from Flinders University School of Medicine in 1989, and completed Physician training, initially specialising in Thoracic and Sleep Medicine.

He is a Senior Staff Specialist at Southern Adelaide Palliative Services in South Australia and is the Clinical Lead for Palliative Care for South Australia, Chairs the Board of Directors for Palliative Care Australia, and has been a member of MND South Australia Board for 10 years.

He completed his Masters in Palliative Care and is currently undertaking a PhD exploring models of palliative care for people with advanced heart failure.

He cofounded the Motor Neurone Disease Clinic in South Australia 25 years ago. This clinic is a multi-disciplinary clinic and cares for 150 patients on average living with MND and has been awarded South Australian and International Awards for clinical care. He has a special interest in the palliative care approach for people living with advanced neuro-degenerative disease and is a member of the EAPC Neuro-palliative Care Special Interest Group.

He is a strong advocate for teaching and research for all health care professionals and is a Senior Lecturer in the College of Medicine Flinders University.

In 2024 he was awarded a Gold Medal by MND Australia to recognise his contribution to Australians living with MND.