Dr Mazumdar is a proven chief executive and board director, who has had senior roles in general management, engineering management, business development and project management. 

During his career Dr Mazumdar has held senior positions in the defence sector. At BAE Systems Australia he was Head of Engineering Operations and Acting Engineering Director. Dr Mazumdar was the CEO of the Data to Decisions Cooperative Research Centre (D2D CRC Ltd) and founding Board Director of the D2D CRC's spinout companies - Fivecast and NQRY. D2D CRC was a $100m R&D centre that delivered AI powered advanced analytics solutions to the national security community. He was CEO of Defence Systems Innovation Centre and was an engineer/research scientist at Defence Science Technology Group.  

Dr Mazumdar joins the Defence Trailblazer from KPMG Australia where he was a Technology and Defence Industry Partner. He was also the inaugural Chief Data Officer for the firm, specialising in data and AI consulting and solutions.