She is also working as consultant together with Prof. Michael Braungart, chemist and inventor of the design philosophy Cradle-to-Cradle, Martin Lees (Club of Rome) and David Wortmann (DWR-Eco-Innovation-Alliance).
Her father, Dietrich Lemke, was leader of GEW, a teachers union in Hamburg, whose brother Willi Lemke was Senator in Bremen and Manager Werder Bremen, a famous soccer-club, and later serving as United Nations Secretary-General's Special Adviser on Sport for Development and Peace.
Lemke graduated in high school 1981 in Burlington, Vermont, and got her German Abitur 1984 in Hamburg, where she added a diploma as Assistant in Foreign Languages in 1985 and a dual training as a steel merchant, which she finished at Carl Spaeter GmbH in 1987.
Then she worked for DEUMU Deutsche Erz- und Metall-Union in the steel and scrap business as assistant for the management.
In 2017 she finished thesis at the University of Hannover "Zur Bedeutung des Upgrading von Elektroalt- und Gebrauchtgeräten in Deutschland".