Mario Santiago Hernández Arango is an Assistant Professor at Universidad de Medellín and a Senior Civil Engineer with 13 years of technical consulting expertise across urban and rural transportation infrastructure projects. He earned his B.S. in Civil Engineering from Universidad EAFIT, completed a Postgraduate Specialization in Highway Design and Pavement Engineering, obtained his M.Sc. in Engineering from Universidad de Antioquia, and is currently a Ph.D. Candidate in Engineering at Universidad de Medellín. Over the course of his consulting career, Eng. Hernández Arango has directed and executed technical designs for over 140 roadway infrastructure initiatives, specializing in geometric alignment design, structural pavement diagnostics, and subgrade-pavement interaction analysis. His primary research directions center on non-conventional and recycled materials for pavement geotechnics, road safety engineering, and highway geotechnical design.