He served as a member of the Althing for the Northwest Constituency from 2009 to 2016, initially representing the Left-Green Movement (VG) and later the centrist Progressive Party.

[3] Ásmundur Einar was appointed Minister of Social Affairs and Children in the Jakobsdottir cabinet after government negotiations following the 2017 election.

In 2020, in a personal interview with Morgunblaðið, Ásmundur Einar described his youth and upbringing and the effects that experience had had on his adult life.

Based on that experience, Ásmundur Einar emphasised his first hand knowledge of how it feels to be a child in an environment where not everything is up to par and assistance is needed.

In 2020, Ásmundur Einar presented a bill to the Icelandic Parliament on the Integration of Services in the Interest of Children's Prosperity.