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Award-winning Los Angeles firm Tim Barber Architects announces the promotions of Ari Engelman, AIA, NCARB, and Katie Peterson-Hesketh to Principal Architects effective October 1, 2025. This announcement follows the promotion of Kelly Becker, AIA, NCARB, and David Stone, AIA, NCARB, who joined the 32-year-old firm’s leadership team as Principals at the start of 2024.
Architect Lauren Thomsen is reshaping the Philadelphia rowhouse through passive design, an approach that slashes energy use while elevating comfort and livability. In this interview, she discusses her celebrated Northern Liberties Passive Rowhouse, the challenges of building sustainably in dense urban settings, and why teaching keeps her design practice forward-looking.
The AHA 2025 revealed an inspiring array of projects that showcase the power of thoughtful design to shape experiences, foster connection, and respond to context. From innovative approaches, to materials and space to immersive environments that engage communities, the winners demonstrate how architecture can translate culture, nature, and creativity into spaces that resonate universally and leave a lasting impact.






