From Concrete Inspector now Philippines Billionaire, ranks 6 Philippines Richest

Working as a concrete inspector becomes the Chairman of his own Corporation made it to Billions.
Now the 6th Philippines Richest.

David Consunji
Net Worth: $3.9 Billion
As of August 2014

Age 92
Source Of Wealth: Construction, Self Made
Residence: Manila, Philippines
Citizenship: Philippines
Marital Status: Married
Children 8

Construction czar's wealth has increased with 60% rise in his DMCI Holdings' stock. Foundation for fortune: early gig as a concrete inspector. Laid real cornerstone in 1954, when he founded DMCI. It has built more than 500 buildings since. One particularly opulent offering: Taguig-based Acacia Estates. Son Isidro runs it all now; he hopes recent move into power pays off.

Source: Forbes

After working as a concrete inspector, David Consunji founded D.M. Cosunji, Incorporated in 1954 and has become its Chairman since. He has also served as Chairman of Semirara Mining Corporation (formerly known as Semirara Coal Corporation), Dacon Corporation, Freyssinet Philippines, Incorporated and Asia Industries Inc. In 1995, he established the DMCI Holdings, Incorporated to consolidate the businesses.
He also served as the President of the Philippine Contractors Association, International Federation of Asian & Western Pacific Contractors' Association, Philippine Institute of Civil Engineers and Vice-President of the Confederation of International Contractors' Association. Aside from these organizations, he was also the Chairman of the Contractors Association, the Philippine Domestic Construction Board and the U.P Engineering Research and Development Foundation.

Source: Wikipilipinas