Physician, health policy researcher, and advocate for the notion that an ounce of data is worth a thousand pounds of opinion. Ashish Jha, MD, MPH is a professor of Health Policy at the Harvard T.H. Chan School of Public Health, the Director of the Harvard Global Health Institute, and a practicing general internist at the VA. He adds his own voice to the debate on how to improve the healthcare system through his blog ‘An Ounce of Evidence’ and on twitter @ashishkjha. To learn more, visit his about page.