Andrius Vyšniauskas has been a Member of the Seimas since 2020. He is Deputy Chair of Homeland Union-Lithuanian Christian Democrat Political Group; Member of the Committee on European Affairs and a Member of the Committee on Legal Affairs.

He is former Head of Campaigns, Homeland Union – Lithuanian Christian Democrats from 2014-20; member of Marijampolė Municipality Council from 2015-20; Assistant to the Seimas Opposition Leader 2012-18 and Assistant to the Prime Minister on Youth Policy and Public Relations 2011-12.