From 1972 (in the 1973 graduated as worker) up to 1991experiencing in maintenance, as chief department. From 1992 up to the 2007, working in the in-house engineering department as electrical and automation project Mgr., designing some complete banknote paper mills or paper machinery.From 2007 up to the 2012 as Production Mgr.and From 2013 up to now, as Technical Director in the same group.Retired on august 2019.Now consultant in security elements production and process development.