Johannes Maier

Mattis Jacobsen is a Danish songwriter, producer, artist, and the founder and CEO of Sessio. Across a 20-year career, his credits include Adam Lambert, Tobtok, Joya Marleen, Burhan G and many others, reached No. 1 numerous time and as an artist been signed to Warner Music, Universal Music and Sony Music and previously performed at Reeperbahn Festival as well. After years in studios and writing rooms, he founded Sessio to solve a problem he knew firsthand: the human story behind music too often disappears before it reaches publishers, labels and rights organisations. His work now sits at the intersection of creativity, rights, data and AI.