Giovanni Barrera Torres advances sustainable polymer composites and product design at ITM (Medellín). He led a patent on sugarcane bagasse–ash materials and holds an industrial design registration for a footwear sole. Recent work spans natural rubber–fiber biocomposites with UNESP. ([mdpi.com](https://www.mdpi.com/2073-4360/15/20/4183?utm_source=openai)) ([itm.edu.co](https://www.itm.edu.co/noticias-principales/itm-y-universidade-estadual-paulista-obtienen-patente-por-material-de-residuos-agroindustriales/?utm_source=openai)) ([mdpi.com](https://www.mdpi.com/2073-4360/15/20/4183?utm_source=openai))