Original sentence: As the President's Secretary he is the top civil servant in the country and de-factor head of the Sri Lanka Administrative Service.Lalith Weeratunga, SLAS is the current Permanent Secretary to the President of Sri Lanka (also known as the President's Secretary)
Edited sentence: As the President's Secretary he is the top civil servant in the country and de facto head of the Sri Lanka Administrative Service.Lalith Weeratunga, SLAS, is the current Permanent Secretary to the President of Sri Lanka (also known as the President's Secretary)