Veteran Bangladeshi politician and former diplomat Shamsher Mobin Chowdhury has announced his retirement from political life, citing health reasons. Currently serving as the chairperson of Trinamool BNP, Chowdhury conveyed his decision in a letter to the party’s secretary general, Taimur Alam Khandaker, stating that his resignation from all party positions will take effect on November 16, 2025. Chowdhury’s career spans military, diplomatic, and political service. He previously served as Foreign Secretary and later as Bangladesh’s ambassador to the United States during the BNP–Jamaat coalition government. After retiring from government service, he joined the BNP, later moving to Bikalpadhara Bangladesh in 2018, and eventually to Trinamool BNP in 2023, where he became chairperson. He contested the 12th national election from Sylhet-6 but lost his deposit. In October 2024, he was arrested in a murder case following the fall of the Awami League government. His retirement marks the end of a long and eventful public career.