Complex sentence: He served as Secretary to the Treasury and Permanent Secretary of the Ministry of Finance from 1999 to 2001 and was reappointed as Secretary to the Treasury and Ministry of Finance in 2004.
Split into simpler sentences: He served as Secretary to the Treasury and Permanent Secretary of the Ministry of Finance from 1999 to 2001. Jayasundera was reappointed as Secretary to the Treasury and Ministry of Finance in 2004.