Lt Commander (Retd) Md Zinat Raihan is a former officer of the Bangladesh Navy, currently serving as the Adjutant of the International Maritime Academy. He was commissioned into the Engineering Branch of the Bangladesh Navy in June 2014. Following his commissioning, he pursued his academic excellence and completed his Bachelor of Science in Engineering from the prestigious Military Institute of Science and Technology (MIST) in 2018. Throughout his naval career, he held various technical and leadership roles both at sea and ashore. He completed his naval watchkeeping tenure onboard BNS Abu Bakr, a renowned frigate of the Bangladesh Navy. He later served as the Engineering Officer of BNS Turag, where he was responsible for overseeing the operational readiness of engineering systems.

Lt Commander Raihan successfully completed numerous professional naval courses across various units of the Bangladesh Navy, enhancing his operational competence. He was promoted to the rank of Lieutenant Commander on 01 June 2020. In the same year, he completed the Junior Staff Course from Bangladesh Naval Academy, further strengthening his leadership and staff skills.Throughout his service, he represented Bangladesh in multiple international naval exercises and goodwill visits, traveling to countries including India, Myanmar, Sri Lanka, the United Arab Emirates, and Malaysia. In recognition of his outstanding performance during training, he was awarded the prestigious "Osmani Gold Medal" for securing the second overall position in his batch at the Bangladesh Naval Academy.

Lt Commander Zinat Raihan voluntarily retired from the Bangladesh Navy in December 2022, after over ten years of distinguished service marked by professionalism, dedication, and leadership.