Original sentence: Jebsen subsequently launched his own web-portal KenFM and an eponymous YouTube channel.Ken Jebsen (born as Kayvan Soufi Siavash in 1966) is a German conspiracy theorist and former radio host.There he mainly published "alternative views" and conspiracy theories, such as about the 9/11 attack and the COVID-19 pandemic.YouTube closed his account permanently on 22 January 2021 for repeated publications of COVID-19 misinformation despite warnings and previous blocks
Edited sentence: Jebsen subsequently launched his own web-portal KenFM and YouTube channel.Ken Jebsen (born as Kayvan Soufi Siavash in 1966) is a German journalist.On his website he publishes alternative views of the world.YouTube closed his account permanently on 22 January 2021 for repeated violations of YouTube's Terms of Service