William / Kaven Architecture is a multidisciplinary design studio based in Portland, Oregon, working in architecture and interiors. The studio was officially formed by brothers Daniel Kaven and Trevor William Lewis in 2004, continuing a lifetime of collaboration that began as children in their home state of New Mexico. Collectively, the brothers have amassed a significant portfolio in their design careers that includes award-winning private residences, multifamily buildings, mixed-use projects and environments for corporate clients.