R. Michael "Mike" Senkowski

Harold J. Ashner is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Harold J., who practices law in Washington, District of Columbia, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Harold J. is held by other top lawyers in the same geographic and legal practice area.

Elliott A. Milhollin is a top attorney recognized by Best Lawyers in the practice area(s) of Gaming Law and Native American Law. Elliott A., who practices law in Washington, District of Columbia, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Elliott A. is held by other top lawyers in the same geographic and legal practice area.

Jeffrey A. Lamken is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice and Commercial Litigation. Jeffrey A., who practices law in Washington, District of Columbia, has been recognized since 2006. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jeffrey A. is held by other top lawyers in the same geographic and legal practice area.

Mimi Y. Liu is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Mimi Y., 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 Mimi Y. is held by other top lawyers in the same geographic and legal practice area.

John E. Byrnes has been practicing exclusively in the area of family law since 1996. He practices in all of the northern Virginia circuit courts and juvenile and domestic relations district courts as well as the Virginia Court of Appeal. While most matters are amicably resolved thorough negotiation or mediation, John has extensive litigation experience. During his career, John’s practice has covered virtually every aspect of family law, from: complex equitable distribution matters invol...

Timothy J. V. Walsh is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Timothy J. V., who practices law in Washington, District of Columbia, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Timothy J. V. is held by other top lawyers in the same geographic and legal practice area.

Michael Sharkey is a partner with the firm’s Insurance Recovery practice and concentrates his practice on representing policyholders in insurance coverage disputes nationwide. He has represented clients on a wide variety of insurance issues, including litigation seeking insurance coverage for alleged products liability, environmental contamination, water damage and mold, director’s and officer’s liability, errors and omissions, asbestos bodily injury and property damage, unf...

Andrew M. Adelman is a Senior Associate with Correia & Puth, PLLC and represents employees in all aspects of the firm’s employment litigation practice, including sex discrimination, whistleblower retaliation, and disability discrimination. Mr. Adelman’s practice is exclusively dedicated to advocating for the rights of employees, and he regularly represents employees in discrimination, retaliation, and whistleblower cases in federal and state court. Areas of Focus Mr. Adelman h...

John H. LeSeur is a top attorney recognized by Best Lawyers in the practice area(s) of Railroad Law and Transportation Law. John H., who practices law in Washington, District of Columbia, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which John H. 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...