Hermann co-founded Amadeus Capital Partners in 1997 with Anne Glover. In his long and successful history as an entrepreneur and venture capitalist, Hermann has founded or co-founded companies in a wide range of technology sectors. These include Acorn Computers (where he helped spin out ARM), Active Book Company, Virata, Net Products, NetChannel and Cambridge Network. He was a founder director of IQ (Bio), IXI Limited, Vocalis, SynGenix, Advanced Displays Limited, acquired by Cambridge Display Technology, Electronic Share Information Limited, E*Trade UK and has supported many other start-ups.

Hermann’s successes at Amadeus include CSR plc (LON: CSR); Entropic Research Laboratory, acquired by Microsoft in 1999; Solexa, acquired by Illumina in 2007 and Icera, acquired by Nvidia in 2011. He is currently a non-executive director of XMOS and is the Amadeus representative at Graphcore, the creators of the Intelligence Processing Unit (IPU), a processor specifically designed for artificial intelligence.