Costabile Di Sessa holds a degree in chemical engineering from Escola Politécnica da Univerdade de São Paulo in Brazil. He joined CEMIG Geração E Transmissão S.A. in 2006, and since then, has worked as a maintenance planning engineer on materials, chemistry and plant monitoring. Sessa specializes in DGA monitoring diagnosis, polychlorinated biphenyls-related issues and SF6 technical support. He has been a member of CIGRE since 2012.