Johann Kellerer, born in 1955, graduated as a civil engineer, with a few semesters in philosophy and management.

In the Bundeswehr (German army) he held the rank of drill sergeant before assuming responsibility for non-profit organizations for over fifteen years.

The 1980s saw him as an activist for organic foods and healthy lifestyles.

Since 2003, he has been Managing Partner of the international KBI Group, which is active in steel and plant construction as well as in environmentally friendly energy solutions.

In 2017, he founded the UK non-profit association perfume. info LBG to provide information on the dangers of fragrances, operate the website www.perfume.info and, last but not least, translate and publish this book into all the major languages of the world.