David R. "Dave" Hamill

Louis Cohen is a senior counsel in the firm's Litigation/Controversy Department, and a member of the Appellate and Supreme Court Litigation Practice Group. He joined the firm in 1967. Mr. Cohen served as Deputy Solicitor General of the United States from 1986-1988, and focuses on US Supreme Court and other appellate litigation and corporations law. Mr. Cohen’s appellate practice has included more than fifty cases on the merits in the US Supreme Court and a large number of cases in the c...

David Ault is a lawyer recognized by Best Lawyers in the practice area of Health Care Law. David practices law in Washington, District of Columbia Best Lawyers has recognized David Ault since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which David Ault is held by other lawyers.

Catherine “Kate” Reese focuses her practice on the full spectrum of family law matters in the Northern Virginia and Montgomery County, Maryland regions. She has extensive trial experience in contested divorces, child custody and visitation matters, equitable distribution of assets, child and spousal support, and the negotiation and preparation of prenuptial and marital agreements. Ms. Reese is known to be an aggressive and resourceful litigator when representing clients’ bes...

Dennis handles diverse regulatory and transactional matters, ranging from day-to-day client representation to participation in multiple agency and court proceedings involving issues of industry-wide concern. He also handles major administrative and court litigation, and FCC Enforcement Bureau proceedings, for a wide variety of clients. As a member of the District of Columbia Bar, Dennis is admitted to practice in the Third, Tenth and D.C. Circuits, and before the Supreme Court of the United S...

Ken has many varied interests outside of the law. In addition to travel and hiking, he is an avid reader, boxes and takes yoga for exercise and release, and studies ancient texts for insightful meanings. He has a wife of 30 years who runs her own business, and two sons, one a COO and entrepreneur and the other music engineering whiz who founded a music artist promotion company. Ken brings his “better way” focus to his life, his work and his family. Family dinners are legendary, li...

Julia Yolles is a lawyer recognized by Best Lawyers in the practice area of Family Law. Julia practices law in Fairfax, Virginia Best Lawyers has recognized Julia Yolles since 2025. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Julia Yolles is held by other lawyers.

Roberta K. Henault is a lawyer recognized by Best Lawyers in the practice area of Family Law. Roberta K. practices law in Fairfax, Virginia Best Lawyers has recognized Roberta K. Henault since 2021. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Roberta K. Henault is held by other lawyers.

Maria Glinsmann leads the Nonimmigrant Visa Practice in the law firm of Glinsmann & Glinsmann, Chartered. Her practice is focused exclusively on U.S. Immigration, citizenship and consular issues. Many leading technology and service companies seek Maria’s immigration experience. They value her understanding of business practices to ensure their staffing objectives. She helps industry leaders, scientists and innovators to achieve extraordinary ability, national interest and outstandin...

Lewis M. Csedrik is a lawyer recognized by Best Lawyers in the practice area of Energy Law. Lewis M. practices law in Washington, District of Columbia Best Lawyers has recognized Lewis M. Csedrik since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Lewis M. Csedrik is held by other lawyers.

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...