William Xiong


William Xiong is an associate in the Finance Department, focusing his practice on commercial real estate finance matters. He has experience representing an array of market participants and financial institutions in the acquisition, disposition, and mortgage and mezzanine financing of commercial real estate, including balance-sheet and CMBS loan originations. Before joining the firm, William practiced at a global financial law firm in New York.

Professional Highlights

Pro Bono Experience

During the COVID-19 pandemic, William has provided pro bono counsel to small businesses seeking relief under their leases. In law school, William worked with with local attorneys in connection with the Penn Housing Rights Project to support low-income individuals in landlord-tenant matters.

Judicial Internships

Hon. Sidney H. Stein, U.S. District Court for the Southern District of New York, 2015

Recognition & Accomplishments

Lawyers Alliance for New York, "Cornerstone Award," 2022



University of Pennsylvania Law School (J.D., cum laude, 2017)
Senior Editor, University of Pennsylvania Journal of Constitutional Law

Wharton School of the University of Pennsylvania
Wharton Certificate in Management (2016)

University of Pennsylvania (B.A., 2011)


New York