Residents Executive Committee

RSS Residents Executive Committee

Karin Skalina

Karin Skalina, MD, PhD


Karin is the chief resident in radiation oncology at Montefiore Medical Center.

Over the past two years, Karin has been actively involved in the RSS residents' executive committee, where she most recently served as the vice chair. During her tenure in this role, she initiated and orchestrated a new event at the RSS Annual Meeting titled "Empowering Excellence: Celebrating the Achievements of Women in Radiation Oncology." She also serves as co-leader of the RSS Mentored Publications/White Papers initiative.

“My involvement with RSS has been immensely fulfilling, and I am excited to expand opportunities for resident participation and benefit.”

Fatemeh Fekrmandi

Fatemeh Fekrmandi, MD, MSc


Fatemeh is a chief radiation oncology resident at Roswell Park Comprehensive Cancer Center in Buffalo, NY.

She earned her MD degree with highest honors from Zanjan University and her MSc degree in Cancer Genetics from McGill University, Montreal. She then pursued postdoctoral clinical research at Princess Margaret Cancer Centre, Toronto on radiation late effects. Her research interest is overcoming intrinsic tumor radioresistance in upper abdomen and CNS primaries using dose escalation, adaptive therapy, and combination therapies. She is actively involved in the Radiosurgery Society, Canopy Cancer Collective and ARRO EISC resident initiatives.

In her role as secretary of the RSS Residents' Executive Committee over the last year, Fatemeh arranged and moderated a webinar on "Preoperative SRS in Brain Metastases and Glioma", and served as co-leader of the RSS Mentored Publications/White Papers initiative.

“Collaborating on the RSS initiatives has been incredibly rewarding, and I am eager to continue working with the team to further enhance the benefits for trainees provided by this exceptional society.”

Tugce Kutuk

Tugce Kutuk, MD


Tugce completed her medical degree at Hacettepe University School of Medicine, ranking among the top candidates in her class and a residency in Radiation Oncology at Ankara University School of Medicine in Turkey.

With a strong desire to make a significant impact in cancer care, she embarked on her career as a radiation oncologist in the United States. Throughout her journey, Tugce has been actively involved in research and clinical roles at prestigious institutions such as the Miami Cancer Institute, Memorial Sloan Kettering Cancer Center, International Atomic Energy Agency, and H. Lee Moffitt Cancer Center and Research Institute. Her project titled "Implementation of an Interactive, Multi-Language, App-Based Neurocognitive Evaluation Program into Routine Stereotactic Radiosurgery Practice" was recognized as a winner in the Members in Training research achievement award by the Radiosurgery Society and she was elected to serve as a resident’s committee executive board member last year. Tugce wants to continue her duties while starting her residency at the Ohio State University radiation oncology department this year.

Bhargava S. Chitti

Bhargava S. Chitti, MD

Executive Board Member

Bhargava Chitti is the chief resident in Radiation Oncology at Northwell Health in Queens, NY.

He has had increasing responsibility since serving as a general Residents Committee member in 2021, vice chair 2022-2023, and chair in 2023-2024. Having completed his one year term as chair, he now looks forward to serving as a mentor to his peers on the Resident Executive Board.

What he loves most about the Radiosurgery Society is the spirit of camaraderie, mentorship, and teamwork that pervades it.

During his time on the RSS, in 2021, he co-organized the first annual ‘speed mentoring’ session - connecting trainees with Radiosurgery Society faculty experts. He has continued to reprise this role in coming years, and also partake in the planning committee for the annual meeting. As vice chair, he organized a webinar on the use of SBRT for primary and metastatic renal cell carcinoma. As chair, he continued his focus on mentorship and planned a webinar on the use of SBRT and immunotherapy for non-small cell lung cancer. Lastly, some of his relevant research interests include functional radiosurgery, kyphoplasty and intra-operative radiation therapy for spine metastases, and health disparities.

Felix Ehret

Felix Ehret, MD

Executive Board Member

Felix Ehret is a PGY-4 radiation oncology resident and assistant professor in the Department of Radiation Oncology at the Charité, Berlin, Germany, and a current research fellow at the Massachusetts General Hospital and Harvard Medical School.

In addition, he is a graduate student at the University of Oxford, obtaining a Master of Science in Clinical Trials. He attended the medical school of the Julius-Maximilians University Würzburg in Germany and completed a research fellowship at the Massachusetts General Hospital and clinical electives at Stanford and Yale University as a medical student.

His research interests include stereotactic radiosurgery, stereotactic body radiotherapy, and neuro-oncology, comprising clinical, experimental, and translational projects. He serves as a principal investigator and co-investigator for various clinical studies. Dr. Ehret has been an active member of the Radiosurgery Society for many years, participating in several of the mentored publication initiatives. He is passionate about chess, sports, teaching, and science.

Alireza Omidi

Alireza Omidi, PhD, MSc

Executive Board Member

Alireza is a chief medical physicist resident at Virginia Commonwealth University Health System and is deeply committed to pioneering research and its clinical applications.

Over recent years, his focus has centered on leveraging MRI and advanced image registration techniques for the early detection of cardiac toxicity following radiotherapy. He has numerous publications in the field and his current interest lies in the exploration into hypofractionated radiotherapy, specifically in the realms of SRS and SBRT treatment planning.

“I'm excited about the opportunity to join the Radiosurgery Society (RSS) as an executive board member for the 2024-2025 term. With a strong background in SRS and SBRT treatment planning, my recent focus on hypofractionated radiotherapy has provided me with insights into the intricacies of this field, fueling my passion for innovation and collaboration. I'm eager to engage with fellow residents and experts within the RSS community, advocating for best practices and driving initiatives that advance radiosurgical techniques. Together, I'm confident we can make a meaningful impact on patient care and shape the future of radiosurgery.”