Planningxchange

In this episode, PlanningxChange travels to Vietnam to speak with Olivier Souquet, French architect and co-founder of DE-SO Asia, a Saigon (Ho Chi Minh City)-based design studio renowned for projects that weave together climate, culture, and poetic sensibility. Since establishing DE-SO Asia in 2016, Olivier has guided a diverse body of work across Vietnam—from rural schools and urban housing to major civic and cultural landmarks, including the new City Planning Exhibition Center in Ho Chi Minh City. His practice embraces both rigorous environmental awareness and a deep respect for local materials, geometry, geography, and traditions. Olivier discusses his architectural philosophy—shaped by influences such as Édouard Glissant's call to "act in your place, think with the world"—and the realities of designing in Vietnam's tropical context, where rain, heat, and humidity shape the rhythm of daily work. He reflects on building responsibly in a time of ecological change, how poetic gestures sustain creativity, and