Tamanna is the Office Manager for OPM Bangladesh and is primarily responsible for managing the administration and finance for the office and maintaining continuous liaison with the OPM United Kingdom support departments. Prior to joining OPM she worked for more than six years in GrameenPhone, the largest mobile phone operator in Bangladesh. She also worked in Standard Chartered Bank as an intern. She has attended a training program on 'Improving Your Project Management Skills: The Basics for Success' from American Management Association in San Jose California, United States. She has obtained Bachelors in Business Administration (BBA) from the North South University and Masters in Development Studies from BRAC University.