Md. Nasir Uddin also known as Nasir Mazumder is the CEO and founder of Emoji School who is also an internet personality for his skills as a writer, youtuber, musician, and director.

Nasir Mazumder was born on 01 February 2005, in Sunamganj Sadar Upazila, located in the Sunamganj district of the Sylhet Division in Bangladesh. His birth name is Md Nasir Uddin, and his parents are Md Ruhul Amin and Mst Mamtaj Begum.

Nasir Mazumder has made a significant impact in the music industry, releasing numerous tracks on various music platforms. He also manages several YouTube channels, including Nasir Mazumder, NM Record LabeL, Tech Somachar, and TOP INFO. Among these, Nasir Mazumder's personal channel serves as the primary platform for showcasing his artistic talent. Additionally, he maintains a Facebook page under the name Nasir Mazumder.

While Nasir Mazumder is widely recognized as a popular singer, writer, and director in Bangladesh, he has recently gained immense popularity as a Tech YouTuber.