Dr Tim Ferris is the inaugural National Director of Transformation at NHS England and NHS Improvement and previously a Non-Executive Director on the Board. Tim was most recently CEO of the Mass General Physicians Organization (2017-2021) and was formerly the Senior Vice President for Population Health at Mass General Brigham overseeing performance for one of the largest accountable care organizations in the US. He founded the Center for Population Health, which reaches over one million patients annually, focusing on prevention and data to improve health, reduce inequities and save lives.

Tim trained in medicine and public health at Harvard University, and remains on the staff of Mass General. He was awarded numerous NIH and foundation grants and co-authored over 130 publications on health care quality measurement, health disparities and health IT. Tim became a professor at Harvard Medical School in 2018 and continues as an adjunct Professor.