With his background in Chemical Engineering, DANIEL MARENNE started his career at a Lime production company, where he was responsible for several production lines on sites in Belgium and abroad (Czech Republic). During his career, Daniel was also technical expert for of several products in the field of Decentralized and renewable generation and fuel flexibility. Using his experience in cement process, he participated to different projects of Waste heat recovery and cogeneration in the cement industry. The goal was to extend the possibility to burn more difficult waste like sewage sludge by drying them before injection into the kiln. Given his large network both within industrial and governmental environments, he now is a successful hydrogen solution developer for the European industry managing technical development projects in the field of Hydrogen, and Carbon Capture and Use especially for steel cement glass and lime industry.