Career
He served as minister of social affairs from 27 November 1918 to 17 April 1919, minister of transport and public works from 17 April to 15 August 1919 and minister of trade and industry from 15 August 1919 to 15 March 1920. Erkko founded Päivälehti in 1889. He also edited the paper from 1890 to 1899.
He was also the editor of Helsingin Sanomat (from 1908 to 1918 and again from 1920 until his death in 1927).
He was the father of Eljas Erkko.