First Deputy Speaker of the Lagting (Ålands parliament) 2005–2007
Speaker of the Lagting (Åland parliament) 2001–2005
First Deputy Speaker 2000–2001
Member of the Lagting (Åland parliament) 1995–2007
Chairwoman of the Åland Liberals since 2003
Member of the Speaker's Conference of the Lagting 1999–2000,
Vice-speaker 2000–01 and again from 2005.
Chairperson of the Finance Committee 1999–2001
Chairperson of the Liberal Parliamentary Group 1999–2001 and Party Chairperson from 2004.[3]
Eriksson was the first female Speaker in Åland history.[4] As party leader of the Åland Liberals she won the 2007 election and was sworn in as the first female Premier.