Dr. Proytcheva is responsible for the medical leadership and overall operations of the laboratories at the Banner-University Medical Center (B-UMC) Tucson. Dr. Proytcheva is a Professor of Pathology & Pediatrics at the University of Arizona College of Medicine. She is a Member of the Interim Governing Council of the Department of Pathology and Vice Chair for Laboratory Medicine. She serves as hematopathologist at the Division of Hematology at B-UMC Tucson and is actively involved in the training of pathology residents, fellows, and medical students. For her contribution to teaching, Dr. Proytcheva was awarded The John R. Davis, MD Outstanding Residency Teaching Award, University of Arizona College of Medicine, Department of Pathology in 2017. Prior to her current position, Dr. Proytcheva was the medical director of the Hematology Laboratory at Children’s Memorial Hospital, Chicago, and Associate Professor of Pathology at Northwestern University, Chicago. She has published in peer reviewed journals and is also the editor as well as main author of Diagnostic Pediatric Hematopathology, published by Cambridge University Press in 2011. A second revised edition of Diagnostic Pediatric Hematopathology will be published by Cambridge University Press in 2025. Dr. Proytcheva graduated from Higher Medical Institute, Sofia, Bulgaria. She completed a pathology residency training at the Albert Einstein College of Medicine followed by a hematopathology fellowship at Weill Medical College at Cornell University, New York, and by a transfusion medicine fellowship at Yale University Medical School, New Haven. She is a recipient of the Outstanding Achievement in the Teaching of Medical Students from the Leo M. Davidoff Society of the Albert Einstein College of Medicine of Yeshiva University award and also a Banner-University Medical Group Endless Possibilities award. Dr. Proytcheva served as an elected member of the Board of the International Society of Laboratory Hematology and was a vice-chair of the International Council for Standardization in Hematology (ICSH). She also served as ICSH liaison on the Hematology and Clinical Microscopy Resource Committee of the College of American Pathology. In 2017, Dr. Proytcheva chaired the Scientific Committee on Hematopathology and Clinical Laboratory Hematology of the American Society of Hematology. She is a member of the Editorial Board of the International Journal of Laboratory Hematology and Frontiers in Pediatrics - Pediatric Hematology and Hematological Malignancies. She is ad hoc reviewer for the Journal of Pediatric Hematology and Oncology. On a personal note, Dr. Proytcheva practices T'ai Chi, hikes, skies, travels, grows roses, and loves to read. She enjoys talking about current news, politics, economics, and world events. She grew up in Bulgaria and was a vice champion of Bulgaria in downhill skiing.