R. Craig Fitzenreiter

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...

John Dalton is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. John, 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 John is held by other top lawyers in the same geographic and legal practice area.

Conflict is at the core of many divorces and can produce volatile emotions. Divorcing clients appreciate the combination of strength and compassion Katherine brings to her cases, especially when substance abuse, mental illness, domestic violence or contested child custody issues are involved. Katherine firmly believes in putting the children first in every divorce situation and in trying to reduce conflict between divorcing parents. A skilled problem-solver, Katherine acts decisively on behal...

Debra D. Roby is an accomplished attorney at Washington Energy Law LLP, located in Washington, District of Columbia. With over two decades of experience, she represents a diverse range of stakeholders in the electric industry. She frequently appears before the Federal Energy Regulatory Commission (FERC) on matters such as transmission and energy market tariff and rate filings, merger proceedings, rulemakings, and hydroelectric licensing and compliance. Beyond her work with FERC, she provides ...

Though divorce can be one of life’s most distressing events, by building relationships, cultivating trust and creating solutions, Sarah Zimmerman helps clients achieve the best outcome possible while attempting to minimize the financial and emotional impact of divorce. Sarah excels in guiding clients through complex financial and custody issues, and serves a wide range of individuals including high-asset clients and working or stay-at-home spouses who are financially dependent. Sarah's ...

Christopher Allen is a top attorney recognized by Best Lawyers in the practice area(s) of Consumer Protection Law. Christopher, 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 Christopher is held by other top lawyers in the same geographic and legal practice area.

Hans P. Dyke is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Hans P., who practices law in Washington, District of Columbia, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Hans P. is held by other top lawyers in the same geographic and legal practice area.

For more information, please visit www.gibsondunn.com/lawyer/dupree-jr-thomas-h/ .

David Dixon is the co-leader of Pillsbury’s nationally ranked Government Contracts & Disputes practice group, a five-time winner of the Law360 Practice Group of the Year. David concentrates his practice on counseling and disputes regarding the formation and administration of government contracts at the federal level.

Michael L. Vogelsang, Jr., is a principal at The Employment Law Group ® law firm, where he frequently handles cases that involve whistleblower retaliation, employment discrimination, wrongful termination, and other workplace claims. Since joining the firm in 2007, Mr. Vogelsang has gained extensive experience representing federal employees. He specializes in navigating the administrative labyrinth of cases across dozens of departments and agencies, such as: the Department of Defense, the ...