Coffee Talk Session on the Evidence Based Decision Making for Human Services Leaders course Eric Barends, Center for Evidence Based Management at Carnegie Mellon University presentation on the Evidence-based Decision Making for Human Service Leaders’ course. The course is hosted by the Outcomes, Practice and Evidence Network (OPEN) and is co-facilitated by Eric Barends, the Center for Evidence Based Management at Carnegie Mellon University and Dr Lisa . Griffiths, CEO, OzChild.