He is the Chairman of the East Asian Institute.

He is the Chairman of the biggest gastroenterology hospital in the world i.e. Asian Institute of Gastroenterology.

- Studies of the East Asian Institute.

From 1966 until her retirement, she was a senior research associate at Columbia University's East Asian Institute, lecturing and directing academic conferences.

New York, London:: Columbia University Press, Studies of the East Asian Institute, 1984.

In 1989 he set up Drik picture library and in 1998 Pathshala: South Asian Institute of Photography.

Currently he is a Professor at the South Asian Institute of Management.

Presently, he is a visiting scholar with the East Asian Institute at Columbia University.

South Asian Institute of Technology and Management, a privately owned educational institution providing higher education in Sri Lanka.

However private medical schools are in the process of being established at present with the South Asian Institute of Technology and Medicine.