A Look at "Performance" Buildings: An Interdisciplinary Survey of Professionals -- Uneasiness Among Professionals: Multiple Obstacles -- The Characteristics of the Pioneers: Trajectories, Construction, and the Advancement of Their Skills -- Selection of First-Hand Accounts from Building Area Participants. Selection of First-Hand Accounts from Building Area Participants -- Alain Bornarel -- Alexandre da Silva -- Frank Dimitropoulos -- Michaël Fournier -- Jean-Marc Gary -- Françoise-Hélène Jourda -- Milena Karanesheva and Mischa Witzmann -- Yves Lion -- Bertrand Montarou -- Marine Morain -- Vincent Pierré -- Laurent Vacher-Bruel -- Jean-Luc Vallade -- Delphine Saint-Quentin -- Marika Frenette -- Conclusion.