Wan Muhammad Hazirim Bin Wan Mustapha currently serves as the Head of Project Development Division at Yayasan Hijau Malaysia (YHM), an agency under the purview of the Ministry of Natural Resources, Environment, and Climate Change (NRECC). YHM is tasked with advocating green lifestyles, green technologies, and the sustainability of energy, water, and biodiversity. This mission is achieved through a range of awareness programs and campaigns that target the general public.

Wan Hazirim has played an instrumental role in steering numerous strategic and high-impact projects and programs focused on sustainability education. His dedication extends to his profound interest in green energy and environmental awareness. Prior to YHM, Wan Hazirim gained experience from roles at the Ministry of Energy, Green Technology and Water, New Straits Times Press, and Malaysia Youth Council. He holds a degree in Petroleum Engineering from Universiti Teknologi Malaysia.