Ellen Chang

Ellen Chang is a population health data scientist and epidemiologist committed to reducing the public health burden of diseases through innovative research and effective communication. Currently, they serve as an Adjunct Associate Professor at the University of California, San Francisco, co-teaching a course on clinical research methods. With over two decades of experience, Ellen has held significant roles, including Senior Principal Clinical Research Scientist at GRAIL and Principal Epidemiologist, where they designed and implemented studies to support multi-cancer detection tests. They have authored 222 peer-reviewed papers and 12 book chapters, boasting an H-index of 73. Ellen continues their education with ongoing studies at Harvard and Karolinska Institutet.