Insights from the Field Participants will learn from the real-world experience of ACO leaders who have developed and implemented organizations that perform the functions of an ACO. Issues to be addressed include leadership and management functions such as priority setting, decision making, and negotiating provider relationships. Case Study 1: Building an ACO on the foundation of an Integrated Delivery System (IDS) Craig Samitt, MD, Chief Executive Officer, Dean Health Case Study 2: Building an ACO on the foundation of an IPA Karen van Wagner, PhD, Executive Director, North Texas Specialty Physicians Case Study 3: Building an ACO on the foundation of a Physician-Hospital Organization (PHO) Lee Sacks, MD, Chief Executive Officer, Advocate Physician Partners (Javascript is required to view Mediasite content)