Susan Muck focuses her practice on shareholder class actions, derivative suits, and internal and US Securities and Exchange Commission (SEC) investigations. She also regularly advises boards and management on disclosure and accounting issues, cybersecurity, the Foreign Corrupt Practices Act (FCPA), whistleblower investigations, and other high-profile governance matters. Her practice spans a wide range of industries, including life science, software, social media, cloud computing, energy, financial services and retail. Ms. Muck has represented companies, directors and officers in a wide variety of SEC, US Department of Justice and whistleblower investigations. She has also developed FCPA, UK Bribery Act, and general ethics and compliance programs for dozens of public and private companies.

Ms. Muck has practiced in the Bay Area for more than three decades. She joined WilmerHale in 2020 after more than 15 years at another law firm, where she co-founded the securities litigation and securities enforcement practices and served as a trusted advisor to many of the region’s most innovative companies. 

Professional Activities

Ms. Muck is a founding member of Women in Securities, a network for women securities litigators, and is an active member of the Women’s White Collar Defense Association. 

Ms. Muck has lectured and written extensively on governance, crisis management, shareholder litigation and compliance, including for the Association of Corporate Counsel, Compliance Week, Law360, Northwestern University and Stanford University.