Birgit Grahl studied chemistry at the University of Hamburg (Germany). She then headed the chemistry department of the Oko-Institut e.V. Freiburg (Germany), followed by several years as co-owner and director of a commercial laboratory (Germany) and afterwards working as a freelance consultant in the field of industrial ecology. Dr. Grahl was involved in the development of the ISO 14040 series, is a member of the editorial board of 'The International Journal of Life Cycle Assessment' and professor at the University of Applied Sciences in Lubeck (Germany).