Net Worth: $375 Million
- Source of Wealth Pharma (Unilab)
- Nationality Philippines
About Mariano Tan
One of 3 co-founders of drug maker Unilab, also has stake in real estate firm Greenfield Development. Pfizer, which sued Unilab in 2009 for making a generic version of popular cholesterol-lowering drug Lipitor, is still awaiting final ruling by court in Philippines.