Kaius Niemi began his journalistic career as a television and radio reporter at the Finnish Broadcasting Company YLE in the 1990s. Later he worked as a reporter at the television channel Nelonen (Channel Four Finland). In 1998 Niemi moved to Helsingin Sanomat where he was a staff writer at the Foreign Desk for six years. In 2005 Niemi became the City Editor of the Helsingin Sanomat City and Metropolitan News Desk. Two years later he was appointed Managing Editor of the newspaper. Since 2010 Kaius Niemi has worked as Editor-in-Chief of Ilta-Sanomat where his main focus is the digital content and its development. Kaius Niemi was appointed Senior Editor-in-Chief of Helsingin Sanomat September 2013.