Ali K. Yetisen researches nanotechnology, photonics, sensors, and biomaterials. He was previously the Tosteson postdoctoral fellow at the Wellman Center for Photomedicine, Massachusetts General Hospital. He holds a Ph.D. degree in Chemical Engineering and Biotechnology from the University of Cambridge, where he was the Cambridge Infectious Diseases fellow and taught entrepreneurship at Judge Business School. He also lectures at Harvard-MIT Division of Health Sciences and Technology. He has served as a policy advisor for the British Cabinet Office.