Born in Kiel, grew up on the water and on board, trained as a sailor in the club and sailing on the North and Baltic Seas. After school, navy and legal training, he worked as a trainee at YACHT from 2007-2009 in the Panorama department, which he now heads. He is also responsible for the special edition of YACHT classic, has published several books with Delius-Klasing and is deputy editor-in-chief of YACHT. Johannsen is an enthusiastic cruising sailor on his own keel and an active supporter of the German classic boat scene.