Eric A. Vendt

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...

Jan Baran is a top attorney recognized by Best Lawyers in the practice area(s) of Government Relations Practice. Jan, 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 Jan is held by other top lawyers in the same geographic and legal practice area.

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

Ellen K. Harrison advises clients on a broad range of tax issues, including estate planning and administration, tax controversies, and income, gift and estate tax planning for individuals, businesses and charitable organizations. She has significant experience drafting wills, trusts, powers of attorney, prenuptial arrangements and buy-sell agreements, as well as a broad range of corporate documents and family partnership agreements. Her tax controversy and litigation experience includes Inter...

For more than 15 years, Leigh has been helping families and individuals navigate matters that include divorce, custody, visitation, spousal support, child support, property division and protective orders. She represents clients throughout Northern Virginia in all aspects of domestic relations litigation. While litigation is a fundamental aspect of her practice, the majority of her cases settle outside of court. It is Leigh’s goal to help clients reach an agreement in the most efficient ...

Mary Pivec, based in Woodbridge, Virginia, brings over 45 years of experience as a dedicated management-side immigration and employment attorney at Pivec & Associates PLLC. Mary's immigration law practice is centered on the vital connection between immigration enforcement and labor protections. She represents employers in various cases, including worksite enforcement, I-9 compliance, and investigations by the U.S. Department of Labor's Wage and Hour Division. Her work encompasses civil an...

Daniel M. Jaffe is a top attorney recognized by Best Lawyers in the practice area(s) of Railroad Law and Transportation Law. Daniel M., who practices law in Washington, District of Columbia, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Daniel M. is held by other top lawyers in the same geographic and legal practice area.

Anthony Provenzano is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law and Tax Law. Anthony, 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 Anthony is held by other top lawyers in the same geographic and legal practice area.

Marisa C. Terrenzi is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Marisa C., who practices law in Tysons, Virginia, has been recognized since 2017. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marisa C. is held by other top lawyers in the same geographic and legal practice area.

Carly E. Grey is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Carly E., who practices law in Washington, District of Columbia, has been recognized since 2027. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Carly E. is held by other top lawyers in the same geographic and legal practice area.