SIAV (Syndicat Intercommunal d’Assainissement de Valenciennes – Valenciennes Intercommunal Sanitation Syndicate) switched to Holacracy in October 2015, a decision that was taken by Chairwoman Véronique Dupiré, Chief Executive François­Laurent Facquez and Assistant General Manager Hakim Haïkel. They talked to us about their experience with the Holacracy system and the change of power that they have been through. They also shared the motivations that led them to adopt Holacracy and their past in public sector organizations. This is part 4 out of 5. Part 5.