Juan Sebastián Sierra Silva was born in Murillo, Tolima deparment from Colombia. He graduated from Universidad de Ibagué in 2021, of the Faculty of Engineering, in Mechanical Engineering. He developed in his undergreaduate thesis, a design of crushing machine of coffee waste from coffee post-harvest process. He has been perfoming the young researcher role in Universidad de Ibagué since March of the present year. The project that he addresses from his role is the Specialty Coffee Project in Tolima.