Leading designer HDR (Omaha, NE) (ENR #7) acquired architecture, planning, and urban design firm Calthorpe Associates (Berkeley, CA). Going forward, Calthorpe Associates will do business as HDR | Calthorpe.

“Calthorpe Associates brings years of inventive and transformative urban design experience that will enhance the services we offer our clients across the globe,” said HDR Chairman and CEO Eric Keen. “We see tremendous opportunity with our clients, who rely on our growing body of expertise to improve the way people live, work and play in our changing urban environments.”