Dr. Brzezicki has been a general practitioner (GP) in Croydon in South London for 25 years. His main interest is in improving quality of care and making medical care more patient focussed.
To achieve improvements in care, Dr. Brzezicki has been involved in all the major National Health Service (NHS) changes in the UK in recent years, from Fund Holding, Commissioning Pilots and Primary Care Groups (was a PCG chair) and is now a GP member of the Croydon Primary Care Trust (PCT). He has also been involved in medical training for 20 years as a vocational trainer, Programme Director, Lead for the Trainers report for South West Thames and a second level audit assessor.

Prof. Chaudhuri is Consultant Neurologist and Professor in Neurology/Movement Disorders at the Institute of Psychiatry at King's College and a recognised teacher and active researcher within the Guy's, King's and St Thomas' School of Medicine, both London, UK. He is also one of the medical directors of the National Parkinson Foundation International Centre of Excellence at King's College and serves as chairman of the RLS UK and international Parkinson's Disease Non-Motor Group (PDNMG), a member of the Movement Disorders Society Appointments Committee and the Task Force of Practice Parameter Group for PD and RLS with the American Academy Neurology.