Douse challenged incumbent national chairman of the Moderate Youth League, Rasmus Törnblom, at the youth leagues congress in November 2016. He won with the votes 66–33.[10] He was unanimously re-elected in 2018.[11]
On 11 May 2020, Dousa announced that he would be retiring from the Moderate Youth League and from politics altogether, citing a desire to focus on his career. He formally resigned at the Youth League convention in November[13] He became CEO of Timbro in 2020.
He was CEO of Företagarna, The Swedish Federation of Business Owners, from 2023 to 2024.[14]
Return to politics
Minister for Foreign Trade and International Development Cooperation
In the 2024 Swedish cabinet reshuffle he was appointed Minister for Foreign Trade and International Development Cooperation in the cabinet of Ulf Kristersson. Shortly after his appointment he announced the government would cut foreign aid by 3 billion SEK.[15]