Sardar Al Mamun was born in Jessore, Bangladesh. He immigrated to United State of America in 2004. He began his career with the New York City Police Department in March of 2007 as a TEA. In July of 2012, he was sworn in as a police officer in NYPD. He worked in PSA 2, Brooklyn IRT , PSA 4 , PSA 5 and homeless outreach unit. Currently, he is assigned to the 114th pct in Queens. He holds a masters degree in political science. He is happily married and blessed with an eight years old daughter and a three years old son.