Dr. Joseph Mwiti Marangu is the Founder and Director of the Institute of Cement and Concrete, focusing on advancing research, training, and community outreach in cement technology. He is also the Head of Limestone Calcined Clay Technology Resource Centre for Africa (LC3TRC Africa) supporting the adoption of LC3 technology in Sub-Saharan Africa.

He holds a Ph.D. in Chemistry from Kenyatta University and has conducted postdoctoral research at EPFL in Switzerland and at Cardiff University in the UK. His research emphasizes sustainable cement materials, and he has presented at international forums like the UN Climate Change conference. He plays a profound role in linking academia and industry in cement and concrete.