SHEILA A.G. ARMBRUST is a former federal prosecutor with extensive trial and investigative experience. Clients, often in moments of crisis, retain Sheila to assist them with investigations before the Department of Justice (DOJ), Securities and Exchange Commission (SEC), and Federal Trade Commission (FTC), and to respond to high-stakes litigation. Sheila represents clients in the technology, financial services, medical device, and life sciences industries. She also counsels companies on their compliance programs.
Sheila rejoined Sidley after serving in trial-level and leadership positions in the United States Attorney’s Office for the Northern District of California. While at the U.S. Attorney’s office, she was a white-collar prosecutor who led teams investigating and prosecuting crimes affecting the safe delivery of healthcare, including securities fraud, mail and wire fraud, violations of the Food Drug & Cosmetics Act, trade secret theft, trademark violations, computer fraud and abuse, money laundering, and drug trafficking.
Prior to her role at the U.S. Attorney’s office, Sheila spent the earlier part of her career as an associate at Sidley.