Valerie Issumo

co-founder, Prana Sustainable Water
Switzerland

Most Popular Sessions

Scaling up the shift … Session 1
412 Comments
630 Likes
Mainstreaming circula… Session 1
370 Comments
574 Likes
Scaling up the shift … Session 2
315 Comments
379 Likes
Mainstreaming circula… Session 2
264 Comments
299 Likes