Horizon Pharma is expanding and relocating its U.S. corporate headquarters from Deerfield, IL to Lake Forest, IL, with a long-term sublease for new office space that will approximately triple the size of the current U.S. headquarters and can accommodate nearly 600 employees. The expansion and relocation is expected to be completed in January 2016. “Horizon has come a long way in eight years, from one employee working in a coffee shop, to more than 700 global employees,” said Timot...