International Journal of Engineering Technology and Natural Sciences would like to honor and acknowledge the following colleague for their contribution to improve the quality of published issues.

1. Dr. Ir. Arief Hermawan, M.T., IPU.,  Scopus ID: 56868482400, Universitas Teknologi Yogyakarta, Indonesia
2. Prof. Mirjana Pejic Bach, Ph.D, Scopus ID : 14833251000, University of Zagreb, Crotia
3. M.S. Hendriyawan Achmad, S.T., M.Eng., PhD, Scopus ID: 57041250200, Universitas Teknologi Yogyakarta, Indonesia
4. Prof. Dr. Jasni Bt Mohamad Zain, MIEEE, Scopus ID: 16176973900, University Teknologi MARA (UiTM), Malaysia
5. Dr. Endy Marlina, M.T., Scopus ID: 56295095000, University Teknologi MARA (UiTM), Malaysia
6. Ir. Joko Sutopo, S.T., M.T., Ph.D., IPU. Scopus ID: 57191886933 ,Universitas Teknologi Yogyakarta, Indonesia
7. Dr. Eng. Gregory Spence Gutmann, Scopus ID : 56403051100, Tokyo Institute of Technology, Japan
8. Dr. Erik Iman Heri Ujianto, S.T., M.Kom., Scopus ID: 56888794200, Universitas Teknologi Yogyakarta, Indonesia
9. Dr. Noram Irwan Ramli, Scopus ID : 54976264600, University Malaysia Pahang, Kuantan, Malaysia
10. Dr. Rianto, S.Kom., M.Eng., Scopus ID: 56557116700 , Universitas Teknologi Yogyakarta, Indonesia
11. Prof. Mirta Baranovic, Scopus ID : 8657284900, University of Zagreb, Kroasia
12. Adi Setiabudi Bawono, S.T., M.T., Ph.D., Scopus ID: 57207980205, Universitas Teknologi Yogyakarta, Indonesia
13. Dr. Yulianto Purwono Prihatmaji, M.T., Scopus ID: 53865389000, Universitas Islam Indonesia, Indonesia
14. Dr. Ir. Endang Setyowati, M.T., Scopus ID: 57212207996 ,Universitas Teknologi Yogyakarta, Indonesia
15. Dr. Nanang Fatchurrohman, Scopus ID : 36671013800, University Malaysia Pahang, Kuantan, Malaysia
16. Dr. Eng. Arif Pramudwiatmoko, S.T., M.Eng., Scopus ID: 57211446895,Universitas Teknologi Yogyakarta, Indonesia
17. Dr. Novi Andhi Setyo Purwono, S.T., M.T., Universitas Teknologi Yogyakarta, Indonesia
18. Dr. Donny Avianto, S.T., M.T, Scopus ID: 57196041992, Universitas Teknologi Yogyakarta, Indonesia