Orest Ostapiak

Orest Ostapiak is an Associate Professor in the Department of Medical Radiation Sciences within the Faculty of Science at McMaster University. His expertise lies in medical physics and radiation therapy, with a focus on improving treatment accuracy and quality assurance for cancer patients. Dr. Ostapiak teaches courses including Research Methods in Medical Radiation Sciences and Physics and Instrumentation for Radiation Therapy, contributing significantly to the education of future radiation therapists and medical physicists.

Dr. Ostapiak's research spans multiple critical areas within radiation oncology:

• Radiation therapy quality assurance and verification
• Image-guided radiation therapy techniques
• Head and neck cancer treatment optimization
• Prostate cancer radiation therapy
• Patient immobilization systems
• Dose calculation methodologies

His work addresses practical challenges in clinical radiation oncology, particularly in translating technical innovations into improved patient care.

Analysis of Dr. Ostapiak's publication history reveals consistent contributions to radiation therapy quality assurance, with particular emphasis on practical clinical applications. His recent work demonstrates growing interest in optical surface monitoring systems and advanced treatment delivery techniques like volumetric modulated arc therapy. A notable pattern across his research is the focus on solving specific clinical challenges in head and neck and prostate cancer treatments through physics-based solutions.

Dr. Ostapiak has been instrumental in national radiation therapy quality assurance initiatives, including Canada's 13-year clinical trial radiation therapy quality assurance program. His scholarly impact is reflected in numerous publications in high-impact journals including Medical Physics, Journal of Thoracic Oncology, and Radiotherapy and Oncology, with his work referenced in multiple patents.

As an educator, Dr. Ostapiak has maintained consistent teaching responsibilities across multiple academic years, instructing both foundational and advanced courses in medical radiation sciences. His teaching portfolio demonstrates comprehensive expertise across the radiation therapy physics curriculum, from instrumentation principles to clinical applications and research methodology.

Dr. Ostapiak's research laboratory focuses on applied medical physics problems in radiation oncology, with particular attention to treatment delivery systems and quality assurance protocols. His work involves close collaboration with clinical partners to address real-world challenges in radiation therapy departments, with current projects emphasizing optimization of treatment techniques and improvement of patient positioning accuracy.