Arjun AR obtained his MSc in Biotechnology, from the Vellore Institute of Technology, India, in 2021. Arjun developed his Master's thesis in the Stem Cells and Tissue Homeostasis Laboratory at ACTREC, Tata Memorial Centre, India, under supervision of Rohan Jayant Khadilkar, where he studied epigenetic regulation of blood homeostasis in the Drosophila model. After completing his degree, Arjun worked as a research assistant within the same laboratory, and his work demonstrated that the histone acetyltransferase, Gcn5, acts as a nutrient sensor and negatively regulates autophagy-mediated control of blood cell homeostasis.

In September 2023, Arjun integrated the INCDP2023 cohort of Champalimaud's PhD students, and has entrusted the Cancer Dormancy & Immunity Laboratory to develop his thesis project starting in April 2024. Determined to get out of his comfort zone, Arjun has embraced cancer research and aims at understanding the progression of breast cancer liver metastases in space and time.