Sayeedi was born in a village in Indurkani, Pirojpur (Barisal Division of present-day Bangladesh). His father Yusuf Sayedee was an Islamic orator. Sayeedi received his first religious education at his local village "madrassa," which was built by his father. Sayeedi attended the Sarsina Alia Madrasah in 1962, followed by the Khulna Alia Madrasah. Sayeedi started a business in a local village market after completing his religious studies.