Dr. Ionescu is a graduate of University of Medicine and Pharmacy “Iuliu Hatieganu” in Cluj Napoca, Romania. She completed her postgraduate training in Anatomical and Clinical Pathology at the University of Pittsburgh Medical Center and a Fellowship in Gynecological Pathology at Vancouver General Hospital. She has practiced as a Consultant Pathologist at BC Cancer Agency in Vancouver since 2006. She is currently a Clinical Professor of Pathology at UBC and serves as the residency program director for the Anatomic Pathology Residency Program.

Her specific areas of diagnostic expertise are lung, gynecologic and breast pathology. She is an author of over 35 scientific publications and book chapters. She is the author and invited speaker at numerous regional, national and international lectures. Her investigation interests include oncologic pathology and molecular biomarkers, lung cancer and adult health education. She is the Canadian Anatomic and Molecular Pathology (CAMP) course director.

Dr. Ionescu is an enthusiastic advocate of pathologists participating in numerous patient education forums, TV shows, advocacy campaigns, being an Medical Advisor for Lung Cancer Canada and most recently appearing before the House of Commons Committee on Health.