Maringá - PR - BrazilAssistant professor at UEM I was a programmer, and a support analist of computer networks and databases. I finished my master degree at USP in 1997, and now I am starting a doctor degree... I was a programmer, and a support analist of computer networks and databases. I finished my master degree at USP in 1997, and now I am starting a doctor degree at the chemical engineering department of my university.