Dr Partha S Choudhury pursued his Nuclear Medicine post graduate training in India and is an internationally acclaimed leading Nuclear Medicine Physician of India with special interest in Radionuclide Therapy of various types of cancers. He has more than 25 years of experience in Nuclear Oncology and has also been trained in St. Vincents Hospital Sydney, University of New South Wales Australia. He is working in Rajiv Gandhi Cancer Institute & Research Centre Delhi India since 1998 which is a tertiary level cancer institute of repute with post graduate and super specialty teaching. Dr Choudhury has been instrumental in the institutes sustained growth over the last 20 years which has one SPECT-CT, two PET-CT scanners and facilities for Radiopharmaceutical Therapy. He has introduced and standardized new procedures in the department both in terms of disease specific diagnostic and molecular imaging & molecular therapy. He is an invited speaker in conferences and symposiums across many countries, the main ones being United Kingdom, Romania, Austria, South Africa , South America and in Asia. He is a technical co-operation consultant ,expert faculty in Regional Training courses and recipient of multiple travel grants of International Atomic Energy Agency (IAEA) Vienna. He is the recipient of many other investigator awards the main ones being UICC scholar award for World cancer congress, Asia Oceania distinguished young investigators award of JSNM, best researcher of the year 2015 from his institute and the prestigious Brig S.K. Mazumdar memorial award of SNM (India). He has couple of best paper awards to his credit, notable one being the Lancet Asia Medical forum 2007 Singapore. His current publications include original articles( in Thyroid cancer , Prostate Cancer, Breast Cancer & Neuroendocrine tumors) ,editorials & editorial commentary in peer reviewed journals,conference papers & case reports.He is a member of Society of Nuclear Medicine & Molecular Imaging (SNMMI) USA, Society of Nuclear Medicine India, Association of Nuclear Medicine Physicians of India (ANMPI), Society of Oncological Imaging India and WARMTH. He is currently the President (Elect) of World Association of Radiopharmaceutical & Molecular Therapy (WARMTH) 1920-22 and member of Board of Directors, Asia Oceania Federation of Nuclear Medicine & Biology (AOFNMB) 2017-2020. He has been a Member of Scientific Committee in 5thTheranostics World Congress 2019 Jeju Korea and Organizing Committee Commissioner at the 13th Asia Oceania Congress of Nuclear Medicine & Biology (AOCNMB 2019) Shanghai China.