John Carlsen has more than a decade of experience testing and reviewing home tech products, with a major focus on smart home security. He earned his BS in journalism from Utah Valley University.

Tercatat, Kosasih pernah jabat Karopeg Setjen Kemhan pada 25 Februari 2022 – 18 Desember 2023. Selanjutnya, Kosasih jabat Staf Ahli Menhan Bidang Keamanan sejak 18 Desember 2023 hingga 2024. Kini ...