| Dr. | Maria | Sin-Soler | CS Parc Tauli | Others | Spain | Best Researcher Award | |
| Dr | Pritpal | Singh | Jagiellonian University | Tumour Immunology | Poland | Best Researcher Award | |
| Assoc Prof Dr | Muhammad | Sirajuddin | University of Science and Technology Bannu | Others | Pakistan | Best Research Award | |
| Assoc Prof Dr | Sezen | Sivrikaya Ozak | Duzce University | Others | Turkey | Best Researcher Award | |
| Dr | Ranin | Soliman | University of Oxford | Others | Egypt | Best Researcher Award | |
| Ms | Aya | Soliman | German University in Cairo | Tumor Immunology | Egypt | Best Researcher Award | pencis.com |
| Dr | Emine | Sönmez | Duzce University | Others | Turkey | Best Researcher Award | |
| Dr | Lina | Souan | king Hussein cancer center | Oncology Therapeutics and Novel Approaches | Jordan | Best Researcher Award | |
| Mr | Manoj Kumar | Srinivasan | Annamalai University | Cancer Cell Biology | India | Best Researcher Award | pencis.com |
| Dr | Satish Mahadevan | Srinivasan | Penn State Great Valley | Others | United States | Best Researcher Award | pencis.com |
| Dr. | Jyoti | Srivastava | Moffitt Cancer Center | Targeted Cancer Therapy | United States | | pencis.com |
| Assist Prof Dr | Farid | Sroor | National Research Centre | Cancer Cell Biology | Egypt | Best Researcher Award | |
| Prof | Andreas | Stang | Institute of Medical Informatics, Biometry, and Epidemiology | Cancer Science | Germany | Best Researcher Award | |
| Dr | David | Straus | Memorial Sloan Kettering Cancer Center | Oncology Therapy | United States | Best Researcher Award | |
| Prof | Chunxia | Su | Shanghai pulmonary hospital | Oncology and Precision Medicine | China | Best Research Award | |
| Dr | Charles | Su | The Steadman Clinic/Steadman Philippon Research Institute | Others | United States | Best Researcher Award | |
| Dr | Md Abdus | Subhan | Shahjalal University of Science and Technology | Cancer Metastasis | Bangladesh | Best Researcher Award | |
| Dr | Olga | Sukocheva | Flinders University of South Australia | Targeted Cancer Therapy | Australia | Best Researcher Award | |
| Dr | Pritam | Sukul | University Medicine Rostock | Cancer Biomarkers | Germany | Best Research Award | |
| Ms | Hadil | Suliman Hussein | Pan African University | Oncology Therapeutics and Novel Approaches | Kenya | Best Researcher Award | pencis.com |