Olga Cîrstea is a clinical lecturer and associate professor at the State University of Medicine and Pharmacy "Nicolae Testemițanu" in Chisinau, Moldova. She specializes in pediatrics, respiratory medicine, allergy, and primary care. She is also a researcher at the Research Institute for Maternal and Child Healthcare. Olga Cîrstea has authored several research papers and has been cited by over 200 scholars. She is an expert in autoimmune, rheumatologic, cardiac, kidney, and liver diseases in children. She is also involved in educating parents about pediatric healthcare.