Reirradiation in Focus: Interprofessional Strategies for Safer, High-Quality Care | Newbridge 1

January 30, 2026 from 1:00pm EDT to 3:00pm EDT

By the end of this session, participants will be able to:

1.Summarize international initiatives and evolving practices in reirradiation.
2. Integrate multidisciplinary perspectives to address clinical and technical challenges.
3.Identify strategies to advance coordinated reirradiation practice and collaboration in Canada.

Speakers / Panelists

Alanah Bergman
Medical Physicist
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Alanah Bergman

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Alanah Bergman
Medical Physicist

Dr. Bergman, FCCPM is a senior medical physicist at BC Cancer. She provides physics leadership for local SABR initiatives which includes clinical trial design/implementation and advanced motion management strategies. She has an immense interest in reirradiation scenarios, particularly related to the challenge of incorporating consistent and safe workflows. She is currently working with national and international organizations to gather data and provide clear, consistent guidance on reirradiation management.

• Reirradiation in Focus: Interprofessional Strategies for Safer, High-Quality Care | Newbridge 1
  
  January 30, 2026 from 1:00pm EDT to 3:00pm EDT

Andrea Bezjak
Professor
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Andrea Bezjak

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Andrea Bezjak
Professor

Thoracic Radiation oncologist at Princess Margaret Cancer Centre, Toronto Professor, Department of Radiation Oncology, University of Toronto

• Reirradiation in Focus: Interprofessional Strategies for Safer, High-Quality Care | Newbridge 1
  
  January 30, 2026 from 1:00pm EDT to 3:00pm EDT

Greg Fox
Senior Radiation Therapist, Treatment Planning
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Greg Fox

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Greg Fox
Senior Radiation Therapist, Treatment Planning

Greg Fox graduated from Dawson College and began working at The Ottawa Hospital Cancer Center in 2001. He has over 20 years of experience in Treatment Planning across all disease sites, specializing in CNS, Lung and Genitourinary cancers. SBRT planning has been his main focus the last 5 years with the increased use of SBRT for spine, bone and nodal metastasis. He is the lead planner for ablative radiotherapy for ventricular arrythmias and also plans many of the complex lung re irradiation cases. Re-irradiation is an area of interest for him, and he is a member of the Thoracic Re-Irradiation Working Group for Ontario Health.

• Reirradiation in Focus: Interprofessional Strategies for Safer, High-Quality Care | Newbridge 1
  
  January 30, 2026 from 1:00pm EDT to 3:00pm EDT

Brian Liszewski
Advisor, Radiation Therapy and Infrastructure Planning
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Brian Liszewski

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Brian Liszewski
Advisor, Radiation Therapy and Infrastructure Planning

Brian Liszewski is a radiation therapist and Advisor for Radiation Therapy and Infrastructure Planning at Ontario Health (Cancer Care Ontario) whose career has been defined by a passion for quality, safety, and data-driven innovation in radiation oncology. Over nearly twenty years, he has advanced provincial and pan-Canadian initiatives through the Canadian Partnership for Quality Radiotherapy (CPQR), contributing to the development of the National System for Incident Reporting in Radiation Treatment (NSIR-RT) as well as pan-Canadian and international quality assurance guidelines and patient engagement frameworks.

As Co-founder of the Canadian Artificial Intelligence and Big Data in Radiotherapy Alliance (CADRA), Brian is helping to shape Canada’s AI-enabled future in oncology through projects focused on data harmonization, nomenclature standards, and responsible AI integration. He continues to bridge clinical insight with system-level strategy to drive safer, smarter, and more connected care across the country.

Grounded in quality and guided by innovation, Brian’s ongoing work connects clinical practice with data science to drive continuous improvement in radiation therapy safety, performance, and person-centered care.

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• Reirradiation in Focus: Interprofessional Strategies for Safer, High-Quality Care | Newbridge 1
  
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Donna Murrell
Medical Physicist
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Donna Murrell

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Donna Murrell
Medical Physicist

Dr. Donna Murrell is a Medical Physicist and Clinician-Scientist at London Health Sciences Centre in London, Canada. She earned MSc and PhD degrees from the University of Western Ontario and is now an Assistant Professor in the Departments of Oncology and Medical Biophysics there. She leads the reirradiation group in London and is involved in international and national efforts to advance the field of reirradiation.

• Reirradiation in Focus: Interprofessional Strategies for Safer, High-Quality Care | Newbridge 1
  
  January 30, 2026 from 1:00pm EDT to 3:00pm EDT

Marija Popovic
Medical Physicist
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Marija Popovic

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Marija Popovic
Medical Physicist

Dr. Marija Popovic is a Medical Physicist at The Ottawa Hospital and an Affiliate Member of the Gerald Bronfman Department of Oncology at McGill University. Her clinical and research interests focus on dose accumulation, deformable image registration, and standardization of cumulative dose evaluation methods in reirradiation. Marija currently chairs the COMP Reirradiation Advancement Initiative. Internationally, she is an active contributor to several international working groups of the ESTRO Physics Reirradiation Working Group, ESTRO Reirradiation Focus Group, and the Reirradiaton Collaborative Group (ReCOG).

• Reirradiation in Focus: Interprofessional Strategies for Safer, High-Quality Care | Newbridge 1
  
  January 30, 2026 from 1:00pm EDT to 3:00pm EDT

David Tiberi
Radiation Oncologist
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David Tiberi

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David Tiberi
Radiation Oncologist

Dr. Tiberi is a Radiation Oncologist and Assistant Professor in the Division of Radiation Oncology at The Ottawa Hospital. He specializes in radiotherapy for Genitouinary and Thoracic Malignancies as well as ablative radiotherapy for ventricular arrythmias .
His research interests include: reirradiation and ablative cardiac radiotherapy

• Reirradiation in Focus: Interprofessional Strategies for Safer, High-Quality Care | Newbridge 1
  
  January 30, 2026 from 1:00pm EDT to 3:00pm EDT