Besides her function as director and trainer Anastasia Kellermann is also author of amongst others The S-Factor. A Personal Guide to Sustainable Leadership (Business Contact 2006) and Duurzame overheid? Tijd voor Duurzaam Leiderschap (Programma Leren voor Duurzame Ontwikkeling 2006).

Anastasia’s ideas about sustainable leadership were validated by more than 40 CEO’s and forerunners of sustainable organizations. In cooperation with Ken Blanchard (author of a.o. One Minute Manager) Anastasia is currently writing a new book about sustainable leadership. Besides her books, she regularly writes columns and articles and gives lectures and presentations about sustainable leadership in the Netherlands and abroad.
Together with Jeremy Rifkin (author of a.o. De Europese Droom) and other well-known experts of sustainable energy, Anastasia developed and offered a training program for the prestigious training institute The Conference Board in New York for executives of Fortune 500 companies.

"Sustainability is the biggest leadership challenge of the 21st century"

(Anastasia Kellermann)