Born in 1957, Herrmann is co-founder and chairman of KLUG (German Climate and Health Alliance) and has facilitated transformative processes in a professional capacity for many years. Originally a medical doctor, Herrmann switched to advising companies and NGOs early on and today teaches at international universities and institutes of higher education. 'Sprung über den Abgrund' was published jointly with Harald Lesch at Residenz Verlag (2022).