Gazi Obaiduzzaman (Sumon) is one the most loved and respected Business faculties for O- and A-Level (IGCSE & IAL) students in Bangladesh. In a professional career that spans over 20 years, he has authored numerous popular IGCSE and IAL textbooks on Accounting, Business Studies and Commerce based on both Edexcel & Cambridge curriculum. Not only is he an enviously successful teacher and author, he is a Professional Examination – I (PE-1) & Knowledge Level (KL) Qualified under the Institute of Chartered Accountants of Bangladesh (ICAB) with particular expertise in Audit, Taxation, finance, costing etc. Gazi Obaiduzzaman (Sumon) also holds B. Com Hon’s (Accounting) and MBS (Accounting) degrees to add to his already illustrious credentials.

As a senior teacher for Academia School (present) and ARK International school (ex), he has helped students to achieve outstanding results, world highest and distinction for countless students.