Ma Jun is Academician of the Chinese Academy of Sciences, the Executive Vice-president of Sun Yat-sen University Cancer Center. He is also the President-designate of the Nasopharyngeal Carcinoma Gordon Research Conference (GRC), the Convener of the Discipline Evaluation Group for Special Medicine of the Academic Degrees Committee of the State Council, the Member of the 8th Science and Technology Committee in the field of Life Sciences and Medicine of the Ministry of Education, the Chairman of the Nasopharyngeal Carcinoma Committee of the Chinese Society of Clinical Oncology(CSCO) and Chinese Anti-Cancer Association(CACA), the Core Member of the American Joint Committee on Cancer (AJCC) NPC Clinical Staging Committee, the Member of the ASCO Asia Pacific Regional Council.

Prof. Ma's research focuses on the precise diagnosis and treatment of nasopharyngeal carcinoma (NPC), he refined NPC clinical staging standards and developed novel strategies for enhancing efficacy while reducing toxicity in NPC treatment. Furthermore, he led the development of “Chemotherapy in Combination with Radiotherapy for Definitive-Intent Treatment of Stage II-IVA Nasopharyngeal Carcinoma: CSCO and ASCO Guideline”. It provides clinical guidance worldwide and has significantly improved China's NPC diagnosis and treatment capabilities, positioning them as a leader on the global stage.

As the corresponding author, he has published numerous high-level papers in prestigious journals like NEJM, Lancet, JAMA, BMJ, Nat Medicine and Cancer Cell. His achievements have garnered prestigious accolades including the "State Scientific and Technological Progress Award", "Chinese Medical Science and Technology Award", "University Scientific and Technological Progress Award of the Ministry of Education", etc.