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Educated at Royal College Colombo , he had worked at Sampath Bank for over two decades moving into its senior management where he had served as its head of compliance .
 Royal College Colombo, Sampath Bank
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Royal College Colombo, Sampath Bank