Dr. Willis founded Radiation Oncologists, P.C. in 1975. He is a board certified Radiation Oncologist who practices at both Legacy Emanuel Radiation Oncology Center and the Meridian Park Radiation Oncology Center. In addition to comprehensive Radiation Oncology, his special areas of interest are Prostate Cancer (including Prostate Brachytherapy), benign and malignant Brain Tumors (including Stereotactic Radiosurgery), and the development of new technologies. In Oregon he performed the first prostate brachytherapy procedure in 1977, did the first Iridium interstitial brachytherapy for breast cancer, performed the first template guided brachytherapy procedures for gynecologic malignancies, and co-founded the first program for stereotactic radiosurgery and the first program for trans-rectal ultrasound guided Prostate Brachytherapy. He has been an active participant and member of committees for the SouthWest Oncology Group and the National Surgical Adjuvant Breast and Bowel Project in addition to the Portland CCOP.

Dr. Willis has four children: Greg (a Radiation Oncologist in Minnesota), Jocelyn (a grammar school teacher in Portland), Jessica (a business woman in Portland), and Patrick (a police officer in Eugene). He also has 6 loving grandchildren.

Dr. Willis' interests include flyfishing, travel, food and wine, music, aerobatic flying and various athletics.

• B.A. UCLA
• M.D. UCLA
• Internship: UCLA
• Residency: UCLA
• Board Certification: Radiation Oncology
• Sub-Specialty: Prostate Brachytherapy & Stereotactic Radiosurgery