Juan David is Chemical Engineer with an M.Sc. in Chemical Engineering from Universidad Nacional de Colombia, focusing on process modelling and optimization. He also holds a PhD in Process Engineering from Université de Lorraine, emphasizing sustainability analysis for energy systems design. Juan David has expertise in multi-criteria analysis to design and optimize processes for the chemical and energy sectors. During 2014-2016, he worked on a project for increasing the energy efficiency of an industrial process to produce a bio-derived plasticizer within the chemical sector. Since 2017, he has been working on the sustainability assessment of energy systems. It includes analyzing renewable resources, energy storage, low-carbon technologies, and hydrogen as an energy carrier (Power-to-chemicals, Power-to-power and Power-to-gas systems). He is co-author of scientific articles published in renowned journals within the fields of chemical engineering and energy. Juan David is a Colombian native with working experience in Colombia and France.