Steffen Weber studied jazz and popular music at the Musikhochschule Mannheim from 1995 to 1999. Meanwhile he is saxophone tutor there and also at the Musikhochschule Mainz.
The band L14,16 which was founded during college days, won unanimously the 24th “Jazz Hoeilaart international Belgium” Jazz Contest. The first two CDs of L14,16 received the "Preis der deutschen Schallplattenkritik". He has so far made recordings with his own projects and he also played in productions with Joey de Francesco, Jeff Hamilton, Chris Potter, Greg Osby, Joe Lovano, Sammy Nestico and Randy Brecker amongst others.
Steffen Weber has played at festivals in Den Haag (North Sea Jazz Festival), Montreux Jazz Festival (Universal Groove Night), Umbria Jazz Festival, Cannes (Filmfestival), Rennes (Festival transmusicales), London (Jazz Cafe), Paris, Kopenhagen (Jazz House), Montreal Jazz Festival, Instanbul Jazz Festival and Jazz Baltica.
In 2005 Steffen Weber was given the jazz award of the city Worms and he obtained as a member of the Felix Fromm sextett the first prize of the international jazz contest in Getxo. He got a scholarship from the "Kunststiftung Baden-Württemberg" in 2009.
From 2008 to 2012 he was a steady member of the SWR Big Band. Since 2012 he has been a member of the HR Big Band.
He lives with his wife and his two sons in Weinheim/Germany.