Denis Kolesnik, PhD in Oncology, Senior Researcher of the R.E. Kavetsky Institute of Experimental Pathology, Oncology, and Radiobiology, National Academy of Sciences of Ukraine. Research scientist specializing in tumor progression, angiogenesis, and metastasis, with extensive experience in preclinical evaluation of anticancer and antimetastatic agents, laboratory-based research, and publication of results in internationally recognized peer-reviewed journals.