Jonas Mainardes is an experienced maintenance engineer currently serving as a Supervisor de Manutenção at Valmet since July 2024. Prior to this role, Jonas spent over five years at Klabin, where responsibilities included Supervising the Maintenance Team for Drying Machines and overseeing a maintenance shift at Klabin PUMA. Before that, Jonas was a Maintenance Planner at Klabin Celulose from February 1997 to July 2024. Education includes a Master's degree in Electrical Engineering from the Federal University of Technology - Paraná, studies in Renewable Energies and an MBA in Team Management and Leadership from INTERCLASSE, as well as a Bachelor's degree in Chemical Engineering from UNIFATEB.