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Meet Our Residents

Residents in the Radiation Oncology Residency at Mayo Clinic in Jacksonville, Florida, come from around the U.S. and across the world. While all of our trainees have a love of learning and a compassionate approach to patient care, they come from diverse backgrounds, family status, and professional and personal interests.

From the residents

Welcome to the Radiation Oncology Residency at Mayo Clinic in Jacksonville, Florida!

In the Department of Radiation Oncology, medical residents learn from the fundamental principles to become excellent clinicians while also providing Mayo Clinic's standard of excellent care. Our residency training program provides an engaging and collaborative environment that allows you to reach your full potential. 

Whether you are by the beach, exploring the historic downtown, enjoying a football game, or going on an adventure, Jacksonville is truly one of the best places to go for medical training. You'll enjoy great food, history, art, and the surrounding major cities.

If you are looking to become a radiation oncologist, Mayo Clinic in Jacksonville, Florida, provides the best opportunity for you to thrive. Come join us!

Joshua Nedelisky, M.D.

Joshua Nedelisky, M.D.

Hometown: Ocala, FL
Medical school: Texas A&M University

Outside interests: I enjoy traveling, tackling home renovation projects, and exploring local parks and beaches with my wife and our four children.

What drew you to Mayo Clinic? The collegial learning environment was the first consideration that stood out to me. I conducted a month-long rotation here as a fourth-year medical student and grew further impressed by the knowledge, sincerity, and compassion of attendings. It felt like an organization that I could seamlessly integrate into and make an immediate impact in my future patients’ lives.

What is living in Jacksonville like? My wife and I are both originally from Florida, but we spent the last 13 years living abroad — courtesy of my prior career in the Army and medical school. Jacksonville simply felt like home from the moment we moved here.

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Qianyu Guo, M.B.B.S., PhD.

Qianyu Guo, M.B.B.S., PhD.

Hometown: Shanghai, China/Toronto, Canada

Outside interests: Swimming, exercising, dabbling in interior design, and watching monster truck races. I'm also an art enthusiast, with Salvador Dali and Georgia O'Keeffe being two of my favorite artists.

What do you love most about training at Mayo Clinic? 

The culture here is incredibly collegial and supportive, creating an ideal environment for learning. The training and lectures are meticulously planned to ensure we receive the highest quality clinical education. 

What makes this program unique? 

The faculty members are genuinely invested in our career goals and well-being. With the expanding comprehensive cancer center and the new carbon ion radiotherapy treatment center, there are incredible opportunities for cutting-edge oncology care and research.

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Bryan Johnson, M.D., M.B.A.

Bryan Johnson, M.D., M.B.A.

Hometown: Rochester, MN
Undergraduate: University of Wisconsin-La Crosse, La Crosse, WI
Medical school: University of Minnesota, Minneapolis, MN
Intern year program: Preliminary Internal Medicine, Mayo Clinic, Jacksonville, FL
Outside interests: Golfing, woodworking, kayaking, hiking, spending time with family

 Why did you choose to train at Mayo Clinic? Mayo Clinic sits at the intersection of excellent clinical training, continued pursuit of innovation, and a deeply rooted culture of collaboration, all of which I saw as highly valuable components of a strong residency experience.

 What is living in Jacksonville like for you? Despite its large geographic size, there is nothing out of reach, with destinations ranging from Mayo Clinic, to the beach, to the airport, and downtown all within a 15- to 20-minute commute.

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Kyle Peterson, M.D.

Kyle Peterson, M.D.

Hometown: Fort Smith, AR
Undergraduate: University of Arkansas, Fayetteville, AR
Medical school: University of Arkansas for Medical Sciences, Little Rock, AR
Research/academic interests: Radiation in aerospace medicine, GI, GU, endocrine, hematologic malignancies
Outside interests: Running, biking, swimming, rowing, pottery, woodworking, reading, gardening, cooking, traveling

 What drew you to Mayo Clinic for residency training? Mayo offers amazing resources and support, the expertise of faculty, and an incredible diversity of patient presentations. I could imagine no better place to build a strong foundation for my career.

What is living in Jacksonville? There is such an amazing variety of things to do. Jacksonville has all the benefits of a big city without the population density.

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Fadi Samaan, M.D., M.S.

Fadi Samaan, M.D., M.S.

Hometown: Brooklyn, New York

Medical School: Penn State College of Medicine

Outside interest/hobbies: Soccer, weight lifting, reading, podcasts, photography, and entrepreneurship.

What drew you to Mayo Clinic for residency training?

I was drawn to Mayo Clinic because of its patient-first philosophy, exceptional mentorship, and culture of innovation, making it an ideal place to grow as both a physician and a researcher. What has stood out the most since arriving is how approachable, collaborative, and genuinely invested everyone is in each trainee’s success. The people are what I enjoy most about training here. Learning from outstanding mentors while working alongside talented colleagues in a supportive environment makes every day both rewarding and inspiring.

What makes this program unique?

What makes this program truly unique is the combination of exceptional clinical training, outstanding mentorship, and a strong culture of innovation. The close relationships between residents and faculty create an environment where you feel genuinely supported, and there are outstanding opportunities to get involved in meaningful research. With the addition of carbon ion therapy and the program’s continued commitment to advancing the field of radiation oncology, it is an exciting place to train and grow. What has impressed me most is how approachable and invested the faculty are in each resident’s success, making the program feel collaborative, forward-thinking, and deeply committed to excellence.

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