Dr. Mohammad Khaja Mafij Uddin is an Associate Scientist in the Infectious Diseases Division at icddr,b, with over 15 years of expertise in mycobacteriology and tuberculosis (TB) diagnostics. His work integrates molecular, microbiological, and immunological approaches to advance TB detection, drug resistance analysis, and biomarker discovery. He has led and contributed to multiple internationally funded projects, including collaborations with organizations in France, Korea, and the USA, focusing on innovative diagnostics such as targeted next-generation sequencing and non-respiratory TB detection. Dr. Uddin has authored several peer-reviewed publications in high-impact journals, contributing significantly to understanding TB transmission dynamics and extrapulmonary TB. He has mentored graduate students and strengthened laboratory capacity, with his research directly supporting improved TB diagnosis and public health outcomes in high-burden settings.