Tahsin Mashroof Hossain Mashfi, (Born 21st December, 1984), better known as Mashroof Hossain, is a Senior Assistant Superintendent of Police (Sr. ASP) of Bangladesh Police Force. Fondly known as “Supercop”, he has been credited for implementing revolutionary IT-based law & order services such as the “Dhaka Metropolitan Police App” and the “Digital Safe Zone Concept”, within the Bangladeshi Law & order scenario. He is the first one to popularize the concept of public service through social media which is now accepted as a national policy in Bangladesh. He is also an avid and accomplished writer on social media, focusing on subjects of various ranges and promoting them accordingly for social awareness. In 2014, he received the prestigious Asian Development Bank (ADB-JSP) Scholarship to complete his Master’s program in Japan’s top engineering school, Tokyo Institute of Technology, under deputation from the Government of People’s Republic of Bangladesh.