Joseph was born in Burera District, northern province in Rwanda. He acquired his carpentry skills at Gatenga Youth Center in Kigali city, graduating with a certificate in carpentry and joinery in 2005. In 2012, he joined Volcanoes Safaris as a casual worker in carpentry and joinery. With hard work and dedication, he was eventually promoted to supervise all carpentry works for Volcanoes lodges in 2021.

Aside from work, Nsabimana loves watching, reading, and discovering new ideas, especially those that add value to his career. In his free time, he enjoys playing football and his favorite animal is the gorilla.