Shamis focuses her practice on complex commercial litigation, white collar criminal defense, government investigations and appellate matters. She represents healthcare companies in False Claims Act cases and US Department of Health and Human Services investigations. She advises clients on all aspects of civil and criminal investigations relating to government billing and contracting issues, including managing broad civil investigative demands and subpoenas. Additionally, Shamis has extensive experience representing clients in securities investigations and enforcement actions and providing legal guidance on anti‐corruption and corporate governance matters.