Department of Gerontology and Public Health at National Institute of Geriatrics, Rheumatology and Rehabilitation, Poland
Dr. Krzysztof Grzegorz Jeziorski, MD, PhD, is a distinguished Polish oncologist with a career spanning over four decades in clinical and academic medicine. He has served as Associate Professor and Senior Assistant at the Maria Skłodowska-Curie National Research Cancer Institute in Warsaw since 1988 and continues to contribute as a Clinical Trials Consultant at the National Institute of Geriatrics, Rheumatology and Rehabilitation. Dr. Jeziorski’s professional path is marked by leadership in gastrointestinal cancer research, extensive clinical trial involvement, and international academic collaborations. A former Dean of the Faculty of Health Sciences and Social Sciences, he combines deep clinical expertise with academic excellence. He has participated in fellowships across Europe, including at the University of Oxford and the University of Padova. Renowned for his commitment to advancing cancer research, he continues to enhance his knowledge through postgraduate studies and remains actively engaged in both practice and education.
Professional Profile
Scopus Profile
ORCID Profile
Education
Dr. Jeziorski earned his medical degree from the Medical University of Warsaw, completing the I Medical Faculty. He later pursued advanced specialization, obtaining first and second-grade specialties in General Medicine and Chemotherapy of Cancer from the Medical Centre of Postgraduate Education. His passion for oncology led him to further achieve a specialty in Clinical Oncology and a Doctorate in Medical Sciences. In 2009, he was awarded the prestigious Habilitation degree from the Maria Skłodowska-Curie Memorial Cancer Center and Institute of Oncology. Dr. Jeziorski has continually enriched his education through prestigious fellowships and academic programs, including at the Universities of Oxford, Padova, Brussels, and Cambridge. He completed several key international training programs in epidemiology and public health. Recently, he completed postgraduate studies in Clinical Trial Methodology and is currently pursuing an MBA in Clinical Research and Biomedical Innovation Management at the Medical University of Warsaw, demonstrating his continued commitment to academic and professional growth.
Experience
Dr. Jeziorski brings a wealth of experience from clinical, academic, and administrative roles. Since 1988, he has been a leading figure at the Maria Skłodowska-Curie National Research Cancer Institute in Warsaw, serving as Associate Professor and senior assistant in the Outpatient Department for GI Cancers. He has also been a Clinical Trials Consultant at the National Institute of Geriatrics, Rheumatology and Rehabilitation since 2015. Earlier in his career, he worked with institutions like the Polish Academy of Sciences and served as Dean at the State Higher School of Pope John Paul II in Biała Podlaska. His clinical foundation was established at the Central Hospital of the Medical Academy in Warsaw. Dr. Jeziorski has managed over 20 international clinical trials as a Principal Investigator, contributing significantly to cancer research. His experience integrates scientific leadership, teaching, and hands-on patient care, making him a well-rounded and respected professional in medical oncology and research.
Awards and Honors
While a detailed list of awards is not provided in the curriculum vitae, Dr. Jeziorski’s academic journey includes several significant milestones that reflect a career of distinction. He received his Second Grade Specialty in Chemotherapy of Cancer with distinction, signaling outstanding academic and clinical performance. His international fellowships at elite institutions such as the University of Oxford, University of Padova, and University of Cambridge were awarded on a competitive basis and recognize his academic merit and research potential. Additionally, his long-term appointments at top-tier research institutes and his role as a Dean suggest institutional recognition of his expertise and leadership. Acceptance into high-profile postgraduate and international research training programs—including the Erasmus Summer Program and WHO/IDF seminars—further highlight his professional standing. His ongoing pursuit of an MBA in Clinical Research reflects both personal ambition and recognition of his evolving role in biomedical innovation and management.
Research Focus on Oncology
Dr. Jeziorski’s primary research focus lies in the field of gastrointestinal oncology, where he has made sustained contributions through clinical trials and academic leadership. He has acted as Principal Investigator in over 20 international clinical trials and participated in numerous additional studies as a Sub-Investigator. His research emphasizes improving therapeutic strategies for gastrointestinal neoplasms, with a strong interest in translating scientific findings into clinical practice. Dr. Jeziorski combines rigorous methodological training with deep clinical insight, as demonstrated by his postgraduate studies in clinical trial methodology and his continued education in research management. His international fellowships enriched his approach to evidence-based medicine and interdisciplinary collaboration. Throughout his career, he has actively worked to integrate public health perspectives and epidemiology into oncology research. By maintaining roles in both clinical care and research, Dr. Jeziorski ensures his work remains patient-centered, innovative, and aligned with global advances in cancer treatment.
Publications Top Notes
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Title: Artificial Intelligence in Oncology
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Title: Lost in Communication: Do Family Physicians Provide Patients with Information on Preventing Diet-Related Diseases?
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Authors: Robert Olszewski, Justyna Obiała, Karolina Obiała, Jakub Owoc, Małgorzata Mańczak, Klaudia Ćwiklińska, Magdalena Jabłońska, Paweł Zegarow, Jolanta Grygielska, Marzena Jaciubek, et al.
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Year: 2022
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Title: Hyperthermia in Rheumatic Diseases. A Promising Approach?
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Title: HER2 Status in GI Adenocarcinoma (TRIO-013/LOGiC Trial)
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Authors: Press M.F., Ellis C.E., Gagnon R.C., Jeziorski K., et al.
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Year: 2017
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Title: Preservation of Duodenal Passage and Quality of Life After Gastrectomy
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Authors: Olesiński T., Szpakowski M., Saramak P., Rutkowski A., Jeziorski K.
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Year: 2017
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Title: Rheumatic and Oncological Diseases – Common Challenges
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Title: Lapatinib + Chemotherapy in HER2+ GI Cancers (LOGiC Trial)
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Authors: Hecht J.R., Bang Y.-J., Qin S.K., Jeziorski K., et al.
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Year: 2016
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Title: Preoperative Chemoradiation vs Short-Course Therapy in Rectal Cancer
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Authors: Bujko K., Wyrwicz L., Rutkowski A., Jeziorski K., et al.
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Year: 2016
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Title: Validation of QLQ-GINET21 for GI Neuroendocrine Tumors
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Title: Efficacy of Y-90 DOTATATE in GEP-NETs – Phase II Study
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Title: Radiological Efficacy of 90Y-DOTATATE in Midgut NETs
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Title: Abscesses After Splenectomy in Gastric/Cardia Cancer Surgery
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Title: Chemotherapy for Hepatocellular and Biliary Duct Cancers
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Title: Imaging of Gastroenteropancreatic NETs – Polish Center Experience
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Title: Leptomeningeal Metastases of EGJ Adenocarcinoma – Case Report
Conclusion