Alejandro Aravena is a Chilean architect known for his innovative approach to social housing and urban design. He is the co-founder of the architecture firm Elemental, which focuses on projects that address the needs of low-income communities. Aravena's work emphasizes sustainability and community involvement, aiming to create affordable and functional living spaces. In 2016, Aravena was awarded the prestigious Pritzker Architecture Prize for his contributions to architecture and his commitment to improving living conditions for marginalized populations. His notable projects include the Half-House concept, which allows residents to gradually build their homes as their financial situation improves.