Md. Main Uddin (nickname: Sujon) is a teacher, author and researcher. His father’s name is Md. Belayet Hossain and his mother’s name is Momotaj Begum. He was born on December 25, 1983, at Nolchara Khondakar Bari in Ramganj, Lakshmipur, Bangladesh.

In his academic life, he earned an MBA degree. Since childhood, reading books has been his passion and sharing knowledge has been the primary goal of his life. He began his teaching career at his own established educational institution, SUJON’S Academy. Later, he established another institution named Mission A+ English Academy, where numerous students have benefited from English education and exam-oriented preparation.

Throughout his teaching career, he served at various renowned educational institutions and always strove to awaken a love for knowledge in the minds of his students.

Until the devastating outbreak of COVID-19 in 2020, he was fully devoted to teaching. Subsequently, he focused on writing and research, dedicating himself entirely to creating simple and effective learning materials for students. 

In his personal life, the author is the father of three children and currently resides in Demra, Dhaka. He has embraced writing as an inseparable part of his life. His goal is to present the English language in an accessible and understandable way to everyone, so that they can master the language with confidence.