David S. Cohen

Mustafa Ostrander is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Regulatory Law. Mustafa, 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 Mustafa is held by other top lawyers in the same geographic and legal practice area.

For more information, please visit www.gibsondunn.com/lawyer/williams-greta-b/ .

Paul Rosenblatt is a litigation partner in the Washington, D.C., office of Kirkland & Ellis LLP. Paul’s practice focuses on representing manufacturers in high-stakes product liability and mass tort litigation. He has played a key role in leading the national expert teams for some of the largest and most complex mass torts and MDLs in the country, including surgical mesh, military earplugs and PFAS. In addition to leading national expert teams, he has extensive experience preparing, ...

Nancy P. Regelin uses her skills as a strategic thinker, communicator, and manager to implement the vision of land owners, developers, and creative consultants to create great places for us to live, work and play. One of her true strengths lies in the trust and relationships she builds with elected officials, staff, community leaders, professional consultants, and other attorneys that she can draw upon to creatively solve problems. In a recent assignment, Nancy was selected as outside local z...

Jamie's representations have involved the taxation of financial instruments, the timing of income and deductions, corporate reorganizations, deductions for worthless investments, the substance-over-form and economic substance doctrines, civil tax penalties, and other areas of tax law. From 2006 to 2013, Jamie was a trial attorney with the Tax Division of the U.S. Department of Justice, where he was lead counsel for the government in over 100 civil tax cases, and he received two Outstanding At...

Julia Anne Matheson is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property and Trademark Law. Julia Anne, who practices law in Washington, District of Columbia, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Julia Anne is held by other top lawyers in the same geographic and legal practice area.

Nathan Kelley is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Patent. Nathan, who practices law in Washington, District of Columbia, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nathan is held by other top lawyers in the same geographic and legal practice area.

Julie Christopher is passionate about helping people navigate challenging transformations in their family landscape. She focuses her legal practice on domestic issues including separation and divorce, complex custody suits, child support and alimony, modifications to existing agreements, property distribution and valuations, contempt and enforcement, and pre- and post-nuptial and separation agreements. Julie is driven to ensure her clients maintain the steadfast belief that she is their advoc...

Lars Golumbic serves as the co-chair of the firm’s Litigation Practice. His ERISA litigation practice includes the defense of “excessive fee” and ESOP class actions brought against plan sponsors, fiduciaries, and service providers. Lars also represents health plan sponsors and health insurers in actions brought under the Mental Health Parity and Addiction Equity Act. Additionally, Lars defends plan trustees, fiduciaries, companies and their board members, and service provide...

Brian has been a divorce attorney in Northern Virginia since 1985. He is also certified by the Virginia Supreme Court as a family law mediator. He is listed in "Best Lawyers in America", Washingtonian and Northern Virginia magazine's Top Divorce Lawyers and Virginia Business magazine's "Legal Elite," as both a lawyer and mediator. He is a Commissioner in Chancery as well as a Neutral Case Evaluator for Fairfax County Circuit Court. Brian served on the Virginia State Bar's Fifth District Disci...