John N. Nassikas
About John N. Nassikas
John N. Nassikas is a Partner and Head of Congressional Investigations at Arnold & Porter Kaye Scholer LLP, recognized for his expertise in white-collar defense and government investigations. With over three decades of experience, he has successfully represented clients in significant federal and state investigations, particularly in the healthcare and financial sectors.
Work at Arnold & Porter
John N. Nassikas has served as Partner and Head of Congressional Investigations at Arnold & Porter Kaye Scholer LLP since 2010. In this role, he leads a team that specializes in navigating complex congressional inquiries and investigations. His work involves engaging with various federal and state enforcement agencies, including the US Department of Justice and the Securities and Exchange Commission. Nassikas co-chairs the firm's Anti-Corruption practice, focusing on intricate parallel criminal and civil litigations, particularly in sectors such as healthcare and finance.
Previous Experience at Arent Fox
Prior to his tenure at Arnold & Porter, John N. Nassikas worked at Arent Fox from 1995 to 2010, where he held the position of Partner and Chair of the White Collar Defense and Government Investigations Practice. During his 15 years at the firm, he gained significant experience representing clients in high-stakes investigations and was recognized for his strategic thinking and communication skills. His work at Arent Fox laid a strong foundation for his current focus on congressional investigations.
Education and Expertise
John N. Nassikas earned his Juris Doctor (J.D.) from the University of Virginia School of Law in 1984. He also holds a Bachelor's Degree from Yale University, where he studied from 1977 to 1981. His educational background equips him with a solid foundation in legal principles, which he has applied throughout his extensive career in white-collar defense and government investigations.
Achievements in Legal Practice
John N. Nassikas has been recognized by Chambers USA as a top-tier defense counsel in Washington, D.C. He has successfully represented pharmaceutical and medical device companies in multi-jurisdictional matters for over three decades. His extensive experience includes defending clients in significant federal and state investigations, particularly related to financial fraud, healthcare fraud, and government contracts fraud. He is well-versed in the Foreign Corrupt Practices Act, the False Claims Act, and the Classified Information Procedures Act.
Background as a Federal Prosecutor
Before entering private practice, John N. Nassikas served as a federal prosecutor in the US Attorney's Office for the Eastern District of Virginia. His experience in this role earned him high respect among enforcement agencies, contributing to his reputation as a knowledgeable and effective legal professional. This background has informed his approach to defense work, particularly in navigating complex investigations.