Visitors sometimes ask why Ziba executives have no offices, why they sprinkle themselves among new recruits and midlevel staffers.
"You've got to feel comfortable with who you are and what you've accomplished," Vossoughi says. "If you're not comfortable with that, you do things like getting yourself a better chair than everybody else."

"We're not very good at settling," he says. "You stick the flag in the ground and move on to the next place."