Horizon Pharma plc, a specialty biopharmaceutical companyheadquartered in Dublin, has opened a new office in Chicago that will primarily house commercial, corporate analytics, and business development staff.   “More than 25% of our Illinois employees live in the City of Chicago and we felt it was important to establish a city presence in order to assist our employees in maximizing their personal and professional potential,” said Timothy P. Walbert, chairman, president and chief execu...