After his professional training in Italy and a brief stint in Ghana, Mr. Tonetti came to Nigeria in 1970 as a young Engineer with Cappa & D’Albert on the National Stadium project. He also worked with Cappa & D’Alberto on the Tafawa Balewa Complex. He joined G.Cappa and rose to the position of Project Manager and supervised numerous projects in Nigeria including:
- 33 storey Union Bank building, Marina
- 10 storey building, Cooper Road, Ikoyi
- IBTC building, Victoria Island
- Niger House Marina
- 10 storey Marina
- 10 storey Boundillou Road
He joined CAT CONSTRUCTION GROUP LIMITED in 2004 as Project Manager and became Technical Director in 2005.