Frederick J. "Fred" Tansill

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...

Colleen M. Haddow has been practicing exclusively in the area of family law since 2006. Ms. Haddow focuses her practice on all aspects of family law, including divorce, custody, spousal support, mediation and property settlement agreements. Ms. Haddow regularly appears throughout courts in Northern Virginia representing the interests of her clients. She takes a practical and economical approach to her cases and strives to meet the individual needs of each client. Ms. Haddow thoroughly enjoys ...

R. Scott Kilgore is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. R. Scott, who practices law in Washington, District of Columbia, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which R. Scott is held by other top lawyers in the same geographic and legal practice area.

Eric Core, an attorney with Lerch, Early & Brewer, co-chairs the firm's Estate Planning & Probate group. Widely respected for his extensive knowledge of estate and tax law, Eric has been helping people with estate plans and trust and estate administration for more than 30 years. Eric works closely with personal representatives and trustees on all aspects of estate and trust administration to ensure they fulfill their fiduciary responsibilities. Eric also has an extensive background in...

Having spent over a decade as a prosecutor in the criminal and civil divisions of the U.S. Attorney’s Office for the District of Columbia, Michelle Bradford uses her extensive knowledge and skill, coupled with her profound determination and sharp wit, to defend clients in white collar criminal and complex civil litigation matters. Michelle brings considerable value to clients facing complex litigation by thoroughly and efficiently reviewing issues, identifying the heart of a matter and ...

Daniel L. Nash is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment and Sports Law. Daniel L., 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 Daniel L. is held by other top lawyers in the same geographic and legal practice area.

Michael A. Branca is Co-Managing Partner of Peckar & Abramson’s Washington, D.C. office and serves on the firm’s Executive Committee. He focuses his practice on construction and government contract law. Mike routinely represents general and prime contractors, construction managers, and other members of the construction and government contract industries. Given his depth of experience, he is able to provide an impressive range of services to his clients, including the review an...

Biz is a leader in the field of criminal defense and internal investigations focusing on white-collar defense and health care cases. Biz regularly represents clients in congressional and criminal fraud investigations as well as qui tam, Foreign Corrupt Practices Act (FCPA), False Claims Act (FCA), civil RICO, and employment litigation. She has counseled clients — including boards, audit committees, and management — on the development and implementation of internal compliance and e...

William Zapf is a top attorney recognized by Best Lawyers in the practice area(s) of Ethics and Professional Responsibility Law. William, 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 William is held by other top lawyers in the same geographic and legal practice area.

Trial attorney, Allan M. Siegel is a Past President of the Trial Lawyers' Association of Metropolitan Washington, DC(DC-TLA). Prior to serving as President, he served as President-Elect, Vice President, Treasurer, Secretary, and spent six years on the Board of Governors of this organization. He also co-chaired the membership committee and served two years as the co-chairman of the education committee, planning, organizing, and moderating educational programs presented to other lawyers through...