Karen A. Popp

Matthew D. McGill is a top attorney recognized by Best Lawyers in the practice area(s) of Gaming Law and Sports Law. Matthew D., 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 Matthew D. is held by other top lawyers in the same geographic and legal practice area.

Jessica is the Managing Partner of Rock Creek Energy Group. Jessica’s practice is focused on renewable and conventional independent power producers, power marketers, and transmission developers throughout the United States. She represents owners, operators and investors of all sizes in the electric energy sector, from startup developers to private equity funds, infrastructure funds and institutional investors. ‍ Jessica specializes in federal energy regulatory matters related to: De...

David Bilodeau has a bachelor’s and master’s degree in electrical engineering from the California State University at Long Beach, and a second master’s degree in telecommunications from Johns Hopkins University. He also has a Juris Doctor degree in Law from George Mason University. Mr. Bilodeau has extensive industry experience while employed as an electrical engineer with the Hughes Aircraft Radar and Space and Communication Groups. He has practiced in the intellectual prop...

Julie Mitchell Newlands represents individuals and their families in cases involving serious injury or wrongful death. She has substantial experience litigating personal injury and medical negligence cases in the District of Columbia, Maryland, and Virginia. Julie is a dedicated advocate for victims of life-altering events related to another’s negligence. She accompanies her clients through the litigation process with diligence and compassion. Julie has obtained six, seven, and eight-fi...

Devon Hill counsels clients on the regulatory issues involved in the global marketing of new foods, cosmetics, packaging, and related products and compliance issues that arise for products already on the market. He has over two decades of experience assisting clients that make food, cosmetics, and materials that contact food. He primarily assists clients with regulatory compliance and safety and policy issues in the United States and most countries around the world. Food and drug packaging cl...

Kevin P. O’Brien is a partner in the firm’s Employee Benefits and Executive Compensation practice. His practice has concentrated in employee compensation and benefits for over 30 years. Kevin is widely known as a leader in a wide variety of subjects, including innovative defined benefit plan design, flexible benefits, ERISA fiduciary matters and executive compensation. Before joining the firm, Kevin worked in the Pension and Welfare Benefits Administration at the Labor Department ...

Nathan J. Muyskens is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Nathan J., 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 Nathan J. is held by other top lawyers in the same geographic and legal practice area.

Sara Mariska is a top attorney recognized by Best Lawyers in the practice area(s) of Land Use and Zoning Law. Sara, who practices law in Reston, Virginia, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sara is held by other top lawyers in the same geographic and legal practice area.

Michelle L. Butler provides counsel on government pricing, health care, and FDA law in the area of prescription drugs and biologics. Across these practice areas, she specializes in the interpretation of complex regulations. Ms. Butler advises clients on changes in health care law and how these changes affect calculation and reporting across government pricing programs, specifically the Medicaid Drug Rebate Program, the 340B Program, the Medicare Part B Average Sales Price calculation, and the...

James J. Murphy is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. James J., 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 James J. is held by other top lawyers in the same geographic and legal practice area.