| Mr. | Javier | Letamendi | Imperia College London | Others | United Kingdom | Best Researcher Award | |
| Ms. | Jaweher | BDAY | Higher institute of biotechnology of monastir | | Tunisia | Best Researcher Award | pencis.com |
| 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 | |
| Prof. Dr. | Jingyu | Deng | Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin, Tianjin's Clinical Research Center for Cancer, | Gastric cancer | China | Best Researcher Award | |
| Prof Dr | Jinhui | Wu | Nanjing University | Tumour Immunology | China | Best Researcher Award | |
| Dr | Jinxing | Cao | Jinxing Cao, Nanjing University of Science and Technology | Others | China | Best Researcher Award | |
| Dr. | Jinyu | Zhang | Fujian Medical University | Cancer Science | China | Best Researcher Award | pencis.com |
| Dr | Johann | Matschke | Institute of Cell Biology (Cancer Research), University hospital Essen, University Duisburg-Essen | Radiation Oncology | Germany | Best Researcher Award | |
| Prof. Dr. | Johnathan | Parreira | Medicine departament of Federal University of Rondonia, Brazil | Cancer Biomarkers | Brazil | Best Researcher Award | |