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, which began as children in their home state of New Mexico. The studio has designed a portfolio of award-winning residential and commercial buildings, often acting as both architect and developer. William / Kaven's work has been published in The Wall Street Journal, Architectural Digest, Wallpaper Magazine, Hypebeast, Maxim, Dwell and Dezeen, among others. In 2021, William / Kaven Architecture was recognized with an International Architecture Award for Royal, the first in a series of residential projects located in Portland's Forest Park.