Elizabeth Guo advises clients on regulatory, compliance, and policy matters affecting pharmaceuticals, biological products, medical devices, digital health products and services, cosmetics, and dietary supplements. She counsels clients on compliance and interactions with state and federal regulatory agencies, including the U.S. Food and Drug Administration (FDA) and the Drug Enforcement Administration (DEA). Ms. Guo regularly assists clients with drafting legislation as well as preparing public comments for agency rulemaking. She also provides advice and regulatory due diligence to support corporate transactions and securities filings.