Allina Hospitals & Clinics' president Ken Paulus officially added the title and duties of CEO with the retirement of Richard Pettingill. Paulus has served as Allina's COO since joining the organization in 2005. He was named Allina president and CEO-designate last summer when Pettingill's retirement plans were announced. Paulus came to Allina from Massachusetts-based Health One Care System and the Harvard Vanguard Clinic, where he was president and CEO.