
Antonios Grigoriadis
CERTIFICATE
This is to certify that
has successfully participated in
GreenTech Challenge 2024
and its three month Idea Acceleration Program and training.
Christos Nikoloudis
Founder & CEO
Mantis Beyond Innovation
Mantis Beyond Innovation
OF PARTICIPATION
46b5beb0-475f-4ce2-810b-4fde7d74144a
Konstantinos Aravossis
Unesco Chairholder on Green Innovation and Circular Economy of NTUA