Dr Siatkowska earned her MD degree at the Medical Academy of Warsaw in 1994 and completed a Family Medicine specialization in 1998 at the Medical Centre of Postgraduate Study, also in Warsaw. She gained her professional experience at hospitals and medical centres across Warsaw, as well as by having worked with the Warsaw Ambulance Service. Since 2005, Dr Siatkowska resides in the UK, where she has worked as a Locum General Practitioner, most recently at North Croydon Medical Centre.