Stuart E. Eizenstat

Sara W. Koblitz advises FDA-regulated clients on a range of issues with a particular focus on Hatch-Waxman patent and exclusivity, biosimilars, and the Orange Book. She helps drug and device manufacturers in various stages of product development and guides clients through the applicable regulatory requirements with respect to applications and submissions, device classification, potential exclusivities, promotional issues, and post-marketing requirements. Ms. Koblitz also counsels cosmetics, f...

Stephanie M. Sauer is an award-winning attorney, a GLG Partner, and Chair of the firm’s Divorce , Family Law , and Adoption Group. She also formerly served as the firm’s Pro Bono Chair. Stephanie is dedicated to serving as an advocate for her clients, supporting them with honest feedback, and helping determine the best path forward. Stephanie’s background is a mix of public service, working for Legal Aid, and private practice. For over a decade, Stephanie has worked exclusiv...

Yvette Gatling is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Yvette, who practices law in Tysons, Virginia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Yvette is held by other top lawyers in the same geographic and legal practice area.

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...

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

Daniel T. Chaudoin is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Securities. Daniel T., who practices law in Washington, District of Columbia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Daniel T. is held by other top lawyers in the same geographic and legal practice area.

Luisella P. (“Sella”) McBride concentrates her practice on federal tax laws and regulations related to tax-exempt financings. She has served as bond counsel for a wide variety of public finance transactions, including the issuance of tax-exempt, fixed and variable rate bonds, advance and current refundings, leases and installment purchase agreements. She advises clients on issues related to private use, reissuances, exempt facility qualification and financing, arbitrage, and couns...

Scott Museles is a top attorney recognized by Best Lawyers in the practice area(s) of Business Organizations (including LLCs and Partnerships) and Corporate Law. Scott, who practices law in Potomac, Maryland, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Scott is held by other top lawyers in the same geographic and legal practice area.

A recognized authority on international labor standards, Stefan Marculewicz advises multi-national corporations on issues involving employer efforts to address and respond to international labor standards. He also advises multinational enterprises in connection with the following: The International Labour Organization and its Committee on Freedom of Association The Organisation for Economic Co-operation and Development The United Nations Global Compact The United Nations Guiding Principles on...

Philip Baker-Shenk is a partner in our firm's Indian Law Practice Group and our Entertainment Law Practice Group. He provides legal and policy representation to dozens of Native American Indian Tribal governments as well as Tribal organizations and companies doing business with Indian Tribes. Mr. Baker-Shenk began working on behalf of Indian Tribes in our Nation's capital in 1976. For half a decade, he served as staff in the U.S. Senate, including two years as Majority General Counsel to Indi...