Born in Amsterdam, Netherlands, Dietrich was introduced to the saxophone at the age of 10.
After performing a duo TV show with famed Jazz pianist Herbie Hancock, Dietrich decided to pursue a career in music.
At the age of fifteen he got accepted to study saxophone at the Conservatory of Amsterdam.
In 2005 after completing his Masters in Music degree in Amsterdam he received a full scholarship from Manhattan School of Music, Dietrich moved to New York and studied under Dick Oatts and David Liebman.
Dietrich also co-leads the band The Story,[2] a collaborative group including Samir Zarif (tenor saxophone), John Escreet (Piano), Zack Lober (bass) and Greg Ritchie (drums).