Kenneth Herzinger

Ken Herzinger is the co-chair of the Investigations and White Collar Defense practice at Paul Hastings, based in the firm’s San Francisco office. His practice focuses on Securities and Exchange Commission (SEC) investigations and enforcement actions, securities litigation, global and domestic internal investigations, and fintech regulatory matters and litigation.

A former SEC Enforcement Division attorney, Ken defends individuals and companies before the SEC and other federal and state agencies.

According to his clients, Ken is the "best SEC lawyer [they] have worked with" and "is an all-around excellent lawyer who deeply understands risks and the sensitivities of corporate investigations."

Ken has 25 years of experience defending companies and individuals in regulatory matters, litigation and investigations concerning a wide range of matters including accounting and financial statement fraud, internal controls, insider trading, cybersecurity, blockchain, cryptocurrency, the Foreign Corrupt Practices Act (FCPA), Sarbanes-Oxley and Dodd-Frank Acts whistleblower retaliation claims, and BSA/AML enforcement.

A seasoned securities litigator, Ken has defended officers, directors and companies in dozens of high-stakes securities class actions, derivative actions and M&A litigation. He has tried cases in federal and state court and in arbitration proceedings and was a member of the trial team that obtained a jury defense verdict in one of only 16 securities class action jury trials in the country to be tried to verdict since the passage of the Private Securities Litigation Reform Act in 1995. Ken has also conducted over 50 global and domestic internal investigations for public and private companies and audit committees regarding myriad issues.

Ken is also a member of the Securities Litigation and Fintech practices of Paul Hastings.