Dr. Thomas Ertel
thomas@et-ertel.de
Iwona Pelka
iwona@et-ertel.de
Susanne Rollwagen
susanne@et-ertel.de
Dr. Bettina Schug
bettina@et-ertel.de
Working as freelancer for environment and technology.
Dr. Heike Schlöser
heike@et-ertel.de
Udval Hatanbaatar
udval@et-ertel.de