Lilian M. Timmermann

Partner & Managing Attorney

Lili Timmermann represents individuals, closely-held businesses, and Fortune 500 companies alike. Her experience includes successfully advocating for victims of sexual harassment and assault, prosecuting fraud and public corruption cases, resolving complex asset disputes in high-net-worth divorces, and protecting voting rights.


Prior to joining Perry Law, Lili handled white collar matters and internal investigations at an Am Law 50 firm. She also litigated voting rights cases in four states during the 2020 presidential election. Most recently, she worked at a Florida litigation boutique, providing concierge legal services to high-net-worth individuals, including helping them navigate complex civil cases spanning multiple jurisdictions. She works closely with her clients through each step of their matter, from pre-suit negotiations through post-judgment enforcement, developing litigation strategies tailored to their goals and circumstances.

Lili also possesses experience in national security, intelligence, and cybersecurity matters through government service. She began her legal career at the Department of Justice, where she was selected for the U.S. Attorney General’s Honors Attorney program and represented the government in the Foreign Intelligence Surveillance Court to help stop cyber-based threats. In that role, she was seconded to serve as a Special Assistant U.S. Attorney in the Eastern District of Virginia, where she prosecuted a wide range of criminal matters in federal court.

Public service—including being a member of the Obama Administration’s inaugural class of White House interns and working from U.S. embassies in Beijing, China and Rangoon, Myanmar for the Department of State as a Princeton SINSI Fellow—defines Lili’s career. Today, she continues to engage in numerous pro bono representations. Lili also has significant experience working globally, including on an international arbitration in Singapore and at an international law firm in Hong Kong. She speaks both English and Spanish natively, and is conversant in Mandarin, Portuguese, and French. In addition to obtaining her J.D. from Yale Law School, Lili holds both bachelor’s and master’s degrees in public and international affairs from Princeton University.


Yale Law School (J.D., 2015) (Submissions Editor, Yale Journal of International Law; Co-Director of the Women of Color Collective)

Princeton University (Master in Public Affairs, SINSI Fellow, 2015)

Princeton University (B.A., high honors, Public Policy and International Relations, 2008)


U.S. Department of Justice, Office of Intelligence, Honors Attorney Advisor (2015-2018)

U.S. Attorney’s Office, Eastern District of Virginia, Special Assistant U.S. Attorney (2017-2018)

U.S. Department of State, Bureau of East Asia and Pacific Affairs, Fellow (2009-2011)


Hon. Derrick K. Watson, U.S. District Court for the District of Hawaii


New York



U.S. District Court for the Southern District of Florida

U.S. Court of Appeals for the Eleventh Circuit