Seattle-based Hinthorne Mott Architects has joined design firm Perkins+Will, a union meant to diversify the firm’s portfolio and strengthen its presence in the Pacific Northwest. Hinthorne Mott will join the Seattle office to bring the local practice to 46 people. “We are proud of what Hinthorne Mott has accomplished since our inception with the support and trust of our colleagues, clients, and friends, and we’re extremely enthusiastic about the opportunities ahead,” says associate principal Brad Hinthorne.