They are in the eighth place on the list of Richest People in Italy and 195th in the record of World Billionaires. The Rocca brothers have earned their net worth of $5.2 billion when they inherited the shares in the Italian conglomerate Techint creator by their father in September 1945. The company operates in several areas of business such as engineering & construction, steel, mining, oil & gas, industrial plants, and health care. Using their stake, Paolo & Gianfelice Mario Rocca have got the control of Ternium and Tenaris, the Argentinian firms that are the world’s top producers of seamless steel pipes for the oil industry. Paolo, the younger brother, serves as the president of the two businesses. His older brother, Gianfelice, serves as the President of Humanitas, a health care company based in Italy.