Mr. Chowdhury is a horticulturist. He has been working at Spices Research Centre, Shibganj, Bogura as a Senior Scientific Officer under Bangladesh Agricultural Research Institute, Joydebpur Gazipur, Bangladesh. He is involved in onion and chilli improvement program of Spices Research Centre. Earlier he worked in World Vision Bangladesh, Fruit Improvement Project (FIP), Garlic Improvement Project, under Department of Horticulture of Bangladesh Agricultural University, Mymensingh, Bangladesh. His research experience is more than 22 years. During that period, he worked with varietal improvement of horticultural crops especially on onion and chilli improvement program. He has published 38 scientific articles in different journal from home and abroad. He was involved as a senior breeder for releasing four spices crop variety (Onion, Chilli, Chive and Mint). Recently he screen out one onion line against thrips which is world wide problem of onion cultivation.