Nikola Jeftić is a specialist of general surgery and juniror research assistant at the Institute of Oncology and Radiology of Serbia. He is also enrolled in doctoral studies at the Faculty of Medicine of the University of Belgrade, on the module Biology of Tumors and Oxidative Diseases.

Nikola has experience in breast cancer surgery, mainly performing subcutaneous mastectomies and primary reconstructions with endoprostheses. In addition, he is a member of the Serbian Medical Association and the European Association of Surgical Oncology (ESSO) and has attended numerous national and international congresses in the field of breast cancer, both in the performance of conservative operations and in the field of reconstructive breast surgery.

He was also a guest at the Institute of Oncology in Ljubljana, at the breast surgery department, where he had the opportunity to assist and gain new experiences, primarily in the surgical treatment of breast cancer. Nikola is also active in the promotion of science through various media appearances.