Iris Gibbs, MD, FASTRO
Stanford Medicine
Dr. Gibbs is currently Professor of Radiation Oncology and Professor of Neurosurgery (by courtesy) at the Stanford University School of Medicine. Dr. Gibbs has mentored at least 60 people in her illustrious career. One of her nominators, Sarah S. Donaldson, MD, FASTRO states that “(Dr. Gibbs) is known as a doctor’s doctor. Her skills as a caring, detail-oriented clinician facilitate being an impressive role model for her trainees.” Debra Nana Yeboa, MD shares that “she exemplifies the ASTRO Mentorship Award’s values of excellence in teaching, compassionate service, and inspiring an educational quest for innovation.”
Brandon E. Turner, MD, MSc, describes Dr. Gibbs as “(exemplifying) the model physician-scholar. She invites students from across the institution to work with her, regardless of their career aspirations. Her vision of a successful career is rooted in dedication to patients, developing expertise in one's craft, being rigorous in one’s thoughts and equally diligent in one’s actions. This holistic approach to mentorship has inspired countless students to pursue excellence in their professional lives.”
Aadel Chaudhuri, MD, PhD shares that “beyond academia, Dr. Gibbs’ dedication to mentorship is evident in her involvement in community outreach and pipeline programs. She has played a crucial role in initiatives such as the Stanford Medical Youth Science Program and the National Medical Fellowships, which aim to support students from underrepresented backgrounds in pursuing careers in medicine. Her impact is not only seen in the success of her direct mentees but also in the broader systemic changes she has helped implement to make medical education more accessible and equitable.” ASTRO is honored to award a 2025 Mentorship Award to Dr. Gibbs.

