Hasin Hayder is a popular figure in local tech community. Having more than 11 years of professional experience, Hasin provides consultancy service to different companies and teams. He has written four books on different programming topics which were published from Packt Publishing in England during 2006 to 2008. He is the founder admin of phpXperts and WordPressians, two of the leading programming groups in Bangladesh, which are also one of the largest and oldest groups in each of it's category.
Hasin promotes open source tools, speaks in different tech sessions, arranges local tech meetups and motivates Bangladeshi developers to follow the best practices and introduce them to the current trends. These days, he is busy teaching WordPress from TechMasters, and via his youtube channel "Learn with Hasin Hayder.