Published Books:
1. Author, Grade-6, Secondary Mathematics Textbook
Published by: National Curriculum and Textbook Board (NCTB)
2. Author, Grade-7, Secondary Mathematics Textbook 
Published by: National Curriculum and Textbook Board (NCTB)
3. Author, Grade-8, Secondary Mathematics Textbook
Published by: National Curriculum and Textbook Board (NCTB)
4. Author, Shat 13 aro 12 (সাত ১৩ আরও ১২), 
Published by: Adarsha Publishers, 2022, A mathematics problem solving book, with Munir Hasan, Ahmed Shahriar, Mahtab Hossain, Ashraful Al Shakur; ISBN: 9789849640554
5. Author, “BdMO Prostuti”, 
Published by: Tamrolipi Publishers, 2014, A Math Olympiad problem-solving textbook in Bengali targeted at High School Students, with Munir Hasan; Avik Roy; Tusher Chakraborty, Farhad Mohsin; ISBN: 98470096027401.

• Academic Counselor and associate member, Bangladesh Mathematical Olympiad Committee(BdMOC)
• Former Senior Math Olympiad Consultant, Primary Education Learner’s Numeracy Skills Development through Olympiad Techniques, Sub-component: 1.5, PEDP4, Directorate of Primary Education(DPE), Ministry of Primary and Mass Education(MoPME)
• Author, Secondary Mathematics Textbook: Grade 6-8, National Curriculum and Textbook Board (NCTB
• Adjunct (Contractual) Faculty, Department of Mathematics and Natural Sciences (MNS), BRAC University
• Member, Sub-committee: Chess in School, Online and Digital Chess, Grassroot Chess Development, Bangladesh Chess Federation
   

1.Academic Counselor, Bangladesh Mathematical Olympiad Committee(BdMOC)
2.Team Leader, Bangladesh, International Teenager’s Mathematics Olympiad (ITMO-2019)
3. Problem Setter, International Teenager’s Mathematics Olympiad (ITMO-2019)
4. Problem Setter, International Mathematics Competition, Indonesia (IIMC-2021, IIMC-2022) 
5.President (2015-2016) – BUET Chess Club 
6.President (2016-2018) – BUET Math Club, Onuronon 
7.National Olympiads Problem Setter, Bangladesh Mathematical Olympiad Committe(BdMOC), 2011- Present
8.Trainer, National Math Camp, Bangladesh Mathematical Olympiad Committee(BdMOC). 
9.Trainer, National Camp, Bangladesh Junior Science Olympiad (BdJSO)