James A. "Jim" Sullivan, Jr.

Joshua H. Soven is a partner in the Washington, D.C. office of Gibson, Dunn & Crutcher, LLP. Mr. Soven’s practice focuses on government antitrust investigations, antitrust litigation, and counseling on competition issues. He regularly represents clients before the Antitrust Division of the Department of Justice and the Federal Trade Commission, and in the federal courts. Mr. Soven has served in high-level positions at both U.S. antitrust agencies. Mr. Soven was Chief of the Litigati...

For more than 15 years, Leigh has been helping families and individuals navigate matters that include divorce, custody, visitation, spousal support, child support, property division and protective orders. She represents clients throughout Northern Virginia in all aspects of domestic relations litigation. While litigation is a fundamental aspect of her practice, the majority of her cases settle outside of court. It is Leigh’s goal to help clients reach an agreement in the most efficient ...

Danielle Morris has 15 years of experience advising clients on all aspects of international arbitration. Her practice spans both private and public international law, with a focus on investor-State arbitration. She has worked on a range of commercial and investment arbitrations, both institutional and ad hoc, from the pre-dispute and notice of dispute stage through merits submissions and hearings through to set-aside and enforcement. She also assists clients with investment planning and advis...

James Grier Hoyt is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. James Grier, who practices law in Washington, District of Columbia, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James Grier is held by other top lawyers in the same geographic and legal practice area.

Brian Burgess is a top attorney recognized by Best Lawyers in the practice area(s) of FDA Law. Brian, 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 Brian is held by other top lawyers in the same geographic and legal practice area.

Yohai Baisburd counsels companies, trade associations and governments in a variety of international trade matters in the United States and globally. Mr. Baisburd’s practice focuses on trade remedy (antidumping, subsidies, safeguards) litigation and import/export compliance and enforcement proceedings. He is recognized by Chambers and Partners for his Customs Law expertise and in The Best Lawyers in America for International Trade and Finance Law. Mr. Baisburd is on the roster of potenti...

Raj Madan is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation and Controversy - Tax and Tax Law. Raj, who practices law in Washington, District of Columbia, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Raj is held by other top lawyers in the same geographic and legal practice area.

Juliana Gerrick is a top attorney recognized by Best Lawyers in the practice area(s) of FinTech Practice. Juliana, who practices law in Washington, District of Columbia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Juliana is held by other top lawyers in the same geographic and legal practice area.

Arianna Evers helps clients navigate privacy, cybersecurity and artificial intelligence (AI)-related challenges in an increasingly complex and fluid legal environment. Ms. Evers represents clients in high-stakes enforcement actions with regulators, including the Federal Trade Commission (FTC), state attorneys general, and the US Department of Health and Human Services Office for Civil Rights (HHS-OCR), as well as in litigation in state and federal courts, concerning alleged privacy and consum...

Greg Luce handles civil and criminal litigation and regulatory matters involving the health care industry. He has represented health systems, pharmaceutical and medical device manufacturers, and other health care providers in litigation involving fraud and abuse enforcement, False Claims Act defense, and Medicare and Medicaid reimbursement. Mr. Luce focuses on the counseling and defense of health care providers, suppliers, pharmaceutical companies and physicians under state and federal fraud ...