End of the corner office: D.C. law firm designs its new space for millennials

From the moment Jeff Costellia first joined a big firm after graduating from law school, he had one destination in mind: the corner office.It wasn't just the palatial space, the private conference table, the windows and light and the nice view. The corner office was a marker of achievement, a physical symbol of your status at the very top of a competitive hierarchy that you'd spent years working to climb.