Mr Dusit held seven American university degrees for six institutions. He was 64.

Diagnosed with leukemia last year, Mr. Dusit continued his work while undergoing treatment at hospital.

Mr Dusit graduated from Vajiravudh College in 1964 before receiving a BSc in Civil Engineering at Youngstown University, and an MSc in Structural Engineering, Ohio State University, both in Ohio, in 1969. He graduated from the Executive Program in Marketing Management, A Strategic Prospective at Stanford University, California, in 1985.

With a scholarship from the Siam Cement Co. he earned an MBA in Marketing from the University of California, Los Angeles, in 1977, and participated in the Advanced Management Program (AMP) at Harvard University in Cambridge, Massachusetts, in 1994.

He also holds an MBA in Engineering Sciences and Construction Engineering from Ohio State University and a BBA in Business Administration from the University of California, Los Angeles.

Mr Dusit serves as Advisor to Siam Cement Pcl and he was a director of Loxley Pcl.He was appointed 21st chairman of the Thai Chamber of Commerce and Board of Trade in 2009.

Mr Dusit initiated an anti-corruption coalition to launch a campaign against corruption as he had earlier said that Thailand was ranked 78th out of 178 countries worldwide for the practice of corruption. He said the private sector deems corruption an impediment to national development and investment