Diana C. Vall-llobera is an associate in Willkie’s Litigation Department. Her practice centers on complex, multi-faceted investigations, including advising clients in interactions with the DOJ, SEC, PCAOB, SIGAR, and DOD. A key aspect of her practice includes multinational internal investigations. Diana also has represented a range of clients representing a variety of industries, including manufacturing automation and telecommunications, in complex commercial litigation disputes and she has in-depth knowledge of jurisdictional issues affecting international companies. Diana also maintains an active pro bono practice on matters ranging from asylum to prisoners’ rights.



University of Virginia School of Law, J.D., 2018 Princeton University, A.B., 2010

Bar Admissions

District of Columbia, 2020 Virginia, 2019


Hon. M. Hannah Lauck, United States District Court, Eastern District of Virginia