Bai Yu graduated from North China Institute of Technology in 1996 and passed the bar exam in 2000. In 2001, she joined BCLARC as and intern and joined Zhi Cheng law firm to help establish good faith in the law.
In 2003, she became a licensed attorney and began working full-time at BCLARC, providing consultations and handling cases. She has been the legal representation for many major cases concerning minors, such as death penalty cases. In 2004, she was legal counsel for the children’s film "Looking Up is Beautiful". In 2005, she published "Harmonious Society and Public Interest Law" with attorney Tong Lihua. In 2006 and 2007, she was the executing force behind the "Project to Promote Chinese and U.S. Public Interest Law": she organized public lectures given by pro bono lawyers from Beijing’s major institutions, set up exchange opportunities for lawyers and law students, arranged internships for law students at public interest organizations, and overall promoted the propogation and development of public interest law in China. In 2008, she began working for BLAOMW and is currently there providing consultations, representing cases, and conducting legal research.