William R. "Bill" Charyk

Brian Burgess is a lawyer recognized by Best Lawyers in the practice area of FDA Law. Brian practices law in Washington, District of Columbia Best Lawyers has recognized Brian Burgess 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 Brian Burgess is held by other lawyers.

Charles S. Henck is a lawyer recognized by Best Lawyers in the practice area of Public Finance Law. Charles S. practices law in Washington, District of Columbia Best Lawyers has recognized Charles S. Henck since 2008. 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 Charles S. Henck is held by other lawyers.

Louis Mazawey brings decades of experience as an authority on the tax aspects of employee benefits in all forms to his work at Groom. As counsel to major insurance companies and a variety of plan sponsors—including corporate employers, trade associations, and public retirement systems—Lou has worked closely with qualified plans, 403(b) and 457 plans, IRAs, employee stock ownership plans, executive compensation, retiree medical benefits, plan terminations, mergers and spinoffs, the...

David's practice consists of counseling independent directors of open-end funds, closed-end funds, exchange-traded funds and business development companies, as well as the funds themselves and their investment advisers on matters relating to the Investment Company Act of 1940, the Investment Advisers Act of 1940, the Securities Act of 1933 and the Securities Exchange Act of 1934.

Carl W. Northrop is the Founding Member of Telecommunications Law Professionals PLLC (“TLP”), a boutique telecommunications law firm in Washington, D.C. committed to assisting clients in meeting the substantial challenges they face in the rapidly changing wireless, wired, high-tech, and media industries. Much of his practice is devoted to the representation of mobile and fixed service providers of broadband and narrowband services delivered over terrestrial wireless systems, wirel...

David C. Silver is a partner in the law firm of Holland & Knight. He practices in the areas of real estate acquisition, development, financing and commercial leasing. His practice includes the representation of large developers, pension funds and institutional owners, as well as large corporations in connection with their real estate activities in the Washington, D.C., metropolitan area and nationally. This representation includes the buying, selling, development, financing and/or leasing...

Darrel J. Barros is a lawyer recognized by Best Lawyers in the practice area of Corporate Law. Darrel J. practices law in Potomac, Maryland Best Lawyers has recognized Darrel J. Barros since 2027. 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 Darrel J. Barros is held by other lawyers.

Timothy J. V. Walsh is a lawyer recognized by Best Lawyers in the practice area of Energy Law. Timothy J. V. practices law in Washington, District of Columbia Best Lawyers has recognized Timothy J. V. Walsh since 2023. 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 Timothy J. V. Walsh is held by other lawyers.

Jon Dubrow is co-head of McDermott’s antitrust Mergers Focus Group and is a strategic advisor serving clients across a host of inter-related antitrust issues, including mergers and acquisitions (M&A) transactions / merger clearance, counseling and litigation. Jon leads the defense of mergers, acquisitions and joint ventures before the Department of Justice, the Federal Trade Commission and other international competition authorities. He also regularly assists third parties whose int...

Elizabeth Quinn is a recognized authority on business immigration matters and the unique problems of J-1 exchange visitors. Among her clients are hospitality and biotechnology companies, artists and musicians, and those working in the human rights field. She also handles family-based immigration matters, naturalization, and waivers of inadmissibility. Elizabeth has written and lectured on a wide-range of immigration issues, including the various visa options for international medical graduate...