The 500 List

Sheila Maria Tiwan

Sheila Maria Tiwan is the CEO of Carsurin, a company founded in 1968 by Captain Hein Christopher Tiwan, as Indonesia’s first private company specialising in independent surveying and superintending services for the maritime and petroleum industries. Under her management, the company has accumulated more than six ISO certifications. Moreover, she was also named Entrepreneur of the Year by Ernst & Young in 2007.

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