The value chain concept was first introduced by Michael E. Porter. For the original explanation, see Part 1, Chapter 2: The Value Chain and Competitive Advantage
The book includes contributions from the following organisations and companies: Beiersdorf, SAP, Klenk und Hoursch, VAUDE, Infineon Technologies, Independent Capital Management, BASF, Nanogate, the Federal German Council for Sustainable Development, Henkel, Symrise, Siemens, Fairphone and Thin Air Factory