Sultan Mahmud holds an MSc and a BSc (Hons) in Applied Statistics from the University of Dhaka. He first joined PA Bangladesh in 2017, working on several projects including "Lean in Seasonal", "Labor Markets Survey", and "GAGE project." Sultan then worked for a public health research organization named ICDDR-Bangladesh as a Statistical Officer. In this role, he has published multiple research papers on different public health issues. In 2021, he rejoined IPA Bangladesh as a Junior Research Associate, primarily focused on analyzing and visualizing data for different projects.