| Prof Dr | Isabel | Heidegger | Medizinische Universität Innsbruck | Oncology and Precision Medicine | Austria | Best Researcher Award | pencis.com |
| Prof. | Isabella | Cavalcanti | Federal University of Pernambuco (UFPE) | Cancer Science | Brazil | Best Researcher Award | pencis.com |
| Dr | Ishrat | Rahman | Princess Nourah bint Abdulrahman University | Oncology Alternative Medicine | Saudi Arabia | Best Researcher Award | |
| Assist. Prof. Dr. | Işıl | YILDIRIM | Beykent University | Cancer Genetics | Turkey | Best Researcher Award | |
| Prof | Ivan | Jovanovic | Faculty of Medical Sciencies | Tumour Immunology | Serbia | Best Researcher Award | |
| Mr. | Jairus | Nandwa | Comsats University Islamabad. | Oncology Therapeutics and Novel Approaches | Kenya | Best Researcher Award | |
| Prof | Jasmina | Dimitrova-Shumkovska | Ss Cyril and Methodius University; Faculty of Natural Sciences and Mathematics | Cancer Biomarkers | Macedonia | Best Research Award | |
| Mr. | Javier | Letamendi | Imperia College London | Others | United Kingdom | Best Researcher Award | |
| Prof. Dr. | Jean-Pierre | Gillet | University of Namur | Cancer Cell Biology | Belgium | Best Researcher Award | pencis.com |
| Assist Prof Dr | Jeeyeon | Lee | Kyungpook National University Hospital | Cancer Genetics | South Korea | Best Researcher Award | |
| Mrs. | Jelena | Kovačić | Faculty of Pharmacy and Biochemistry University of Zagreb | Others | Croatia | Best Researcher Award | pencis.com |
| Ms | Jessy | Thambiraj | PeterMac Callum Cancer Centre | Oncology Nursing | Australia | Best Researcher Award | |
| Mr. | Ji | Huang | National Institute of Metrology, China (NIM) | Radiation Oncology | China | Best Researcher Award | pencis.com |
| Ms | JIA | MI | north university of china | Radiation Oncology | China | Best Researcher Award | |
| Prof. | JIAN | Zaiyou | Henan Institute of Science and Technolog | Pharmaco-Oncology | China | Best Researcher Award | pencis.com |
| Dr | Jiang-Tao | Cheng | Guangdong Lung Cancer Institute, Guangdong Provincial Key Laboratory of Translational Medicine in Lung Cancer, Guangdong Provincial People's Hospital | Targeted Cancer Therapy | China | Best Research Award | |
| Prof. Dr. | Jianghua | Shao | Second Affiliated Hospital of Nanchang University | Oncology Therapy | China | Best Researcher Award | |
| Ms. | Jianhua | Luo | National Key Laboratory of Immunity & Inflammation, Institute of Immunology | Tumor Immunology | China | Women Researcher Award | pencis.com |
| Mr. | Jianqiang | Wu | Department of Dermatology, the Affiliated Panyu Central Hospital, Guangzhou Medical University | carcinoma | China | Best Researcher Award | pencis.com |
| Dr | Jiarong | Chen | Jiangmen Central Hospital | Radiation Oncology | China | Best Researcher Award | |