In this episode of Rethink Imaging, Chris St. John sits down with Dr. Ali Tejani, a neuroradiology fellow at UCSF and a national leader in radiology education, imaging informatics, and AI literacy. Ali shares why radiology training programs must evolve now to prepare trainees for a future where AI is embedded in everyday clinical workflows. From launching an imaging informatics and business intelligence track during residency to co-directing national informatics education initiatives, Ali explains how radiologists learn best, why traditional didactics are no longer enough, and how podcasts, social media, and hands-on AI experiences are reshaping education. The conversation explores generational learning differences, the risk of deskilling, ethical AI use, and why being a critical, informed AI user matters more than knowing how to code.

In this episode of Frame by Frame: Rethink Imaging, host Chris St. John sits down with Jason Schneck, CEO of One Physics, to unpack how medical physics is evolving as care shifts beyond hospital walls. Jason shares a frontline view of how outpatient expansion, workforce shortages, regulatory complexity, and emerging technologies like molecular imaging and theranostics are reshaping the role of medical physicists. He explains why the profession remains underrecognized, how consolidation and outsourcing are not threats but structural responses to modern care delivery, and why flexibility, scale, and advocacy are becoming essential to patient safety and quality imaging.

In this episode of Frame by Frame: Rethink Imaging, Chris St. John speaks with Dr. Ian Weissman, a nationally recognized radiology leader and advocate for clinician wellness, patient-centered care, and workforce strategies. Ian breaks down how the U.S. shortage of 1,500 radiologists is reshaping imaging workloads, delaying critical studies, and putting pressure on a system that is already stretched thin. Ian shares why increasing imaging volumes, an aging population, burnout, and limited residency funding have collided to create unprecedented strain and how patients are now starting to feel the impact. He also offers practical, human-centered strategies that healthcare organizations and leaders can use today to retain clinicians while long-term solutions like AI and expanded training pipelines evolve.

In this episode, Chris St. John speaks with Dr. Thomas Griglock, former section chief in radiology and associate professor at OHSU, now Executive Director at LUCIR. They explore why medical physicists are overwhelmed by Level 1 regulatory tasks, how this burden limits innovation, and what it means for AI adoption in radiology.

In this episode of Frame by Frame: Rethink Imaging, host Chris St. John sits down with Dr. Kristin Beinschroth, a radiologic technologist and researcher, to explore how moral courage shapes student success, why confidence does not always predict achievement, and what it really takes to prepare the next generation of technologists for the ethical dilemmas they will face in practice. From navigating scope of practice boundaries to standing up to physicians when patient safety is at risk, this episode reveals why moral courage matters in imaging and how educators can cultivate it long before students enter the clinical environment.

In this episode of Frame by Frame: Rethink Imaging, host Chris St. John sits down with Dr. Summer Kaplan, Associate Professor of Clinical Radiology at the University of Pennsylvania School of Medicine and pediatric radiologist at the Children’s Hospital of Philadelphia. Together, they explore the six pillars of healthcare quality, safety, timeliness, efficiency, effectiveness, equity, and patient-centeredness and how these principles shape modern radiology practice. From balancing efficiency with empathy to defining what “effective” imaging truly means, Dr. Kaplan shares how radiologists can deliver care that is both precise and human.

In this episode of Frame by Frame: Rethink Imaging, host Chris St. John sits down with Dr. Andrew Callen, Associate Professor of Radiology and Neurology at the University of Colorado School of Medicine and Director of the CU CSF Leak Program, to explore how advanced imaging is transforming the diagnosis and treatment of spinal CSF leaks. From understanding cerebrospinal fluid’s vital role to uncovering invisible leak types like CSF–venous fistulas, Dr. Callen shares how innovations such as dynamic CT myelography and the Myelovator positioning device are pushing radiology beyond its limits to help patients once considered “undiagnosable.”

In this episode of Frame by Frame: Rethink Imaging, host Chris St John sits down with Dr. Leonardo Bittencourt, Vice Chair of Innovation at University Hospitals Cleveland, to discuss how AI adoption in radiology must focus on workflow integration rather than accuracy alone. Drawing from his leadership of the Radically initiative and years of experience bridging academic medicine with industry, Dr. Bittencourt shares how radiology departments can evaluate AI solutions based on clinical value, foster sustainable validation partnerships, and prepare for the impact of foundation models.

In this episode of Frame by Frame: Rethink Imaging, host Chris St John sits down with Dr. David Larson, Founding Director of the AI Development and Evaluation Lab at Stanford University School of Medicine, to explore the shift from traditional peer review to peer learning in radiology. By replacing numerical scoring with collaborative learning, Dr. Larson highlights how radiologists can improve performance, foster psychological safety, and deliver better patient care. Whether in a major academic center or a community hospital, this episode provides actionable insights for building a growth-focused culture in radiology.

In Part 2 of Frame by Frame: Rethink Imaging, host Chris St John continues his conversation with medical physicist Brad Lofton, diving deeper into how the profession must evolve from compliance-driven tasks to becoming true partners in problem-solving and patient-centered care. They explore the principles of Medical Physics 3.0, why emotional intelligence matters as much as technical expertise, and how innovative models can extend high-quality physics services to rural hospitals. This instalment challenges traditional approaches and provides a practical vision for physicists as integral drivers of quality and efficiency in radiology departments.

In Part 1 of this two-part episode of Frame by Frame: Rethink Imaging, host Chris St. John sits down with Brad Lofton, CEO of Colorado Associates in Medical Physics, to examine how the field of medical physics must evolve beyond a compliance-only mindset. They explore the dangers of commodification, the need for physicists to reclaim their role as quality managers, and how shifting toward patient-centered care can make physics an indispensable part of radiology departments. Whether you are a medical physicist, healthcare administrator, or imaging professional, this conversation offers a practical vision for making medical physics the “central nervous system” of imaging quality.

In this episode of Frame by Frame: Rethink Imaging, host Chris St John sits down with Dr. Woojin Kim, Chief Strategy Officer at HOPPR and Chief Medical Officer at the ACR Data Science Institute, to explore the evolving role of generative AI in radiology. From automated reporting to intelligent assistants, Dr. Kim offers a pragmatic look at how AI can streamline workflows without replacing human expertise. Whether you're a radiologist, technologist, or healthcare innovator, this episode delivers a practical roadmap for integrating AI while maintaining patient-centered care.

In this episode of Frame by Frame: Rethink Imaging, host Chris St John sits down with Dr. Madan Rehani, Professor at Harvard Medical School and Director of Radiation Protection Outreach at Mass General, to explore the risks and realities of cumulative radiation exposure in medical imaging. Drawing from his global leadership experience at the International Atomic Energy Agency, Dr. Rehani shares evidence-based insights on dose tracking, the limitations of CT safety, and why patient protection must evolve alongside technology. Whether you’re a radiologist, medical physicist, or healthcare leader, this episode offers a timely conversation on rethinking radiation safety in the modern age.

In this episode of Frame by Frame: Rethink Imaging, host Chris St John is joined by Dr. William Breeden, a veteran radiation physicist with over 23 years at St. Vincent’s Hospital. Together, they unpack the high-stakes, behind-the-scenes world of medical physics, from managing crisis situations in trauma centers to maintaining equipment performance across imaging modalities. Whether you’re in healthcare leadership, imaging operations, or just curious about the systems that keep patients safe, this episode offers a rare look at the crucial role physicists play in the daily operations of hospitals.

In this episode of the Frame by Frame: Rethink Imaging podcast, Chris St John revisits his conversation with Dr. Ehsan Samei, Chief Imaging Physicist at Duke University on the balance between scientific precision and clinical judgment in medical imaging. They explore why medicine is still a sophisticated “guessing game,” how AI enhances rather than replaces human expertise, and why the future of diagnostics depends on harmonizing data with patient-centered care. If you enjoyed this episode, subscribe and leave us a review! It really helps in reaching more like-minded enthusiasts.

In this episode of Frame by Frame: Rethink Imaging, host Chris St. John is joined by Dr. Ari Goldberg, Director of Thoracic and Abdominal Imaging at Loyola University Medical Center, to examine how radiology practices must evolve to meet growing clinical demands with limited resources. From rethinking reporting workflows to incorporating radiologist extenders and adapting leadership strategies, this conversation offers a candid look at the future of radiology.

In this episode of Frame by Frame: Rethink Imaging, host Chris St John sits down with Dr. Summer Kaplan to explore the surprising science behind gonadal shielding in medical imaging. Discover why shielding may do more harm than good in modern X-ray procedures and how new safety protocols are reshaping radiology. Whether you're a clinician, radiologic technologist, or concerned parent, this episode offers critical insights into the future of radiation protection.

In this episode of Frame by Frame: Rethink Imaging, host Chris St John revisits Dr. Kalpana Kanal, a pioneering medical physicist, to highlight the cutting-edge use of CT imaging in forensic pathology from our previous episode with her. From minimizing invasive autopsies to enhancing medical education, this conversation uncovers how CT technology is reshaping the way we understand and investigate death. Whether you're in radiology, medical education, or forensic science, this episode provides eye-opening insights into the powerful intersection of imaging and post-mortem diagnostics.

In this follow-up episode of Frame by Frame, host Chris St John reconnects with Dr. Ehsan Samei, a renowned medical physicist, to delve into how we truly measure the value of medical imaging. Moving beyond the conversation of dose alone, Dr. Samei shares how imaging quality and diagnostic effectiveness must be evaluated through multiple lenses—from resolution to task-specific metrics. This conversation breaks down why image quality is not one-size-fits-all and how the medical community is working toward standardization that benefits both patients and clinicians. Whether you're a radiologist, technologist, or healthcare decision-maker, this episode provides a deeper understanding of how we quantify imaging’s clinical impact.

In this episode of Frame by Frame, host Chris St John sits down with Dr. Ehsan Samei, a distinguished medical physicist, to explore the true value of medical imaging - and why the traditional "benefit vs. risk" debate misses the point. From challenging outdated views on radiation exposure to advocating for a more patient-centered approach to imaging decisions, this conversation reveals how imaging’s benefits dramatically outweigh the risks when used appropriately. Whether you're a healthcare professional refining your understanding of radiation safety or a patient curious about its real-world implications, this episode offers a fresh and essential perspective on imaging’s transformative role in modern care.