David Liu is a fifth-year computer science PhD candidate at Northeastern University advised by Professor Tina Eliassi-Rad. His research improves the trustworthiness of machine learning, focusing on applications to social networks. He has published at conferences such as FAccT, AIES, and SIAM SDM. David has been a PhD Research Scientist intern at both Meta FAIR and Central Applied Science (formerly Core Data Science). He is the recipient of the NSF GRFP. David has consulted as a sociotechnical researcher at Taraaz, a non-profit at the intersection of technology and human rights. He graduated summa cum laude from Princeton University with a BSE in computer science.