E usebio Tanco is a Filipino billionaire with a diversified business empire spanning education, shipping, and finance. The primary source of his wealth is his large stake in STI Education Systems Holdings, one of the largest networks of for-profit private colleges in the Philippines. The company operates a vast network of schools across the country, providing vocational and technical training to hundreds of thousands of students.

In addition to his core education business, Tanco has significant interests in the shipping industry through his family's Asian Terminals Inc. and ventures in financial services. He has built a reputation as a savvy investor with the ability to manage a complex and diverse portfolio of assets. His success in the for-profit education sector highlights the immense demand for skills-based training in the Philippine economy.