Paul Nathanson

Nicole is the leader of Sullivan's Investment Management Group and Chair of its Corporate Governance & Board Advisory Practice. Nicole also serves as Co-Chair of the firm's Lateral Partner Hiring Committee. Nicole’s practice focuses on the representation of boards and board committees, including independent directors, as well as a broad spectrum of financial services and other companies, such as investment companies (open-end, closed-end, BDCs and ETFs), investment advisers and brok...

Kelly Dunbar is a partner in the firm’s Government & Regulatory Litigation and Appellate & Supreme Court Litigation practice groups, and a leader of the firm's Administrative Law Group. He focuses his practice on government and regulatory litigation, administrative rulemakings, constitutional and civil litigation, and appellate matters. Mr. Dunbar regularly counsels clients regarding regulatory strategy and litigation, represents them before administrative agencies, and litigate...

Practice Experience Jonathan is a leading global authority on international disputes and investment, as well as complex negotiations and crisis management. As head of Latin American arbitration, he has successfully advised on some of the most critical issues of the era in Latin America and beyond, such as the cultural patrimony of Machu Picchu, the new Ecuador international airport, the Argentine sovereign debt crisis, the development of the Peruvian energy sector and the Panama Canal expansi...

Swain Wood, formerly the first assistant attorney general of North Carolina and general counsel to Attorney General Josh Stein, serves as co-chair of the firm’s State Attorneys General Practice. While serving in government, he was one of the most highly regarded leaders in the state attorney general community nationally and is a proven problem-solver in private practice, working closely with clients to successfully anticipate, navigate and resolve complex legal disputes.

For more information, please visit www.gibsondunn.com/lawyer/walker-helgi-c/ .

Michael J. Rustum is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Michael J., who practices law in Washington, District of Columbia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael J. is held by other top lawyers in the same geographic and legal practice area.

Allyson Mullen provides counsel to medical device and in vitro diagnostic (IVD) manufacturers. Ms. Mullen assists clients with a wide range of pre and postmarket regulatory topics including developing regulatory strategy, preparing regulatory submissions, drafting regulatory policies and procedures, reviewing advertising and promotional materials, and addressing enforcement matters. In the premarket area, Ms. Mullen develops regulatory strategy, including obtaining breakthrough device designa...

Eugene I. Goldman represents domestic and international clients before the US Securities and Exchange Commission (SEC) in financial fraud, auditor misconduct, false disclosure, insider trading and other securities proceedings. He also represents audit committees in internal investigations as well as clients in shareholder litigation, cross-border Foreign Corrupt Practices Act (FCPA) investigations, and the Financial Industry Regulatory Authority (FINRA) and the Public Company Accounting Overs...

Marc B. Bergoffen is committed to getting deals done in the most efficient manner possible. Clients like his direct, keep-your-eye-on-the-ball approach, and opposing parties often thank him for his professionalism in bringing transactions to resolution. Recently, Marc has been using his collaborative and creative approach to help clients through challenges faced by changes in the economy brought on by the COVID-19 pandemic. Representing clients with local, regional and national real estate in...

Julie H. Heiden is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Julie H., who practices law in Fairfax, Virginia, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Julie H. is held by other top lawyers in the same geographic and legal practice area.