Hermann co-founded Amadeus Capital Partners in 1997 with Anne Glover. He has founded and invested in many technology companies including Acorn, ARM, Solexa which was bout by Ilumina, CSR, Graphcore and Photonic.

Hermann holds an MA in Physics from Vienna University and a PhD in Physics from the University of Cambridge. He is a fellow of the Royal Society and was awarded an honorary KBE in 2015.