Career
Previously he was Minister of Trade from 2012 to 2015. Beginning at Namibian Independence in 1990, he served as permanent secretary in various ministries. After seven years of deployment in the Ministry of Finance he was appointed as Deputy Minister of Finance in 2010.
In a Cabinet reshuffle following the 2012 SWAPO congress, Schlettwein was promoted to Minister of Trade and Industry on 4 December 2012.
Under President Hage Geingob, Schlettwein was moved to the post of Minister of Finance in March 2015.