One of the foremost figures in the adoption of lean principles in healthcare, John Toussaint, MD, is an executive coach, author and featured speaker around the world. He started Catalysis in 2008, adopting lean methodologies for hospital and health system leaders. Under his direction, the Catalysis team has built C-suite coaching capability and partners with many organizations to advance the idea of healthcare value through delivery redesign using lean, transparency of healthcare performance data, and payment reform.