F. William "Bill" Brownell

Carolyn Grimes is a partner in the firm, practicing in all areas of family law including divorce, spousal support, child custody, child support, equitable distribution, retirement issues, and prenuptial agreements, among other areas. She practices in all of the Circuit and Juvenile and Domestic Relations Courts in Northern Virginia and has argued before the Court of Appeals. She has lectured on family law topics ranging from custody to retirement issues, including military, federal, civilian ...

Sheila A. Millar is a partner at Keller and Heckman LLP, where she represents businesses and trade associations on a variety of public policy and regulatory issues, including privacy, data security, cybersecurity and advertising matters, as well as product safety issues. She has been involved in a variety of audit and compliance projects, including, among other issues, privacy and data security audits, and is experienced in providing crisis management legal support to a variety of national an...

Tanja H. Castro co-founded CastroHaase PLLC in 2012. She is included in the 2013, 2014, 2015 and 2016 editions of Washington, DC & Baltimore’s Best Lawyers. Her practice is focused in the areas of commercial real estate valuation and taxation issues, including property tax assessment appeals. She advises clients on minimizing their real estate tax obligations. Ms. Castro is experienced in reviewing, analyzing and obtaining reductions in the assessments of all types of commercial pro...

Tina Papagiannopoulos is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. Tina, 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 Tina is held by other top lawyers in the same geographic and legal practice area.

Jason Chipman is widely recognized as a national leader in handling complex regulatory matters associated with data security, cyber incident response, the Committee on Foreign Investment in the United States (CFIUS) and related export controls.

Sarah E. Mancinelli is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Sarah E., 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 Sarah E. is held by other top lawyers in the same geographic and legal practice area.

Meredith B. Halama is a top attorney recognized by Best Lawyers in the practice area(s) of Advertising Law and Privacy and Data Security Law. Meredith B., 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 Meredith B. is held by other top lawyers in the same geographic and legal practice area.

Dwight C. Smith III is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law and Financial Services Regulation Law. Dwight C., who practices law in Washington, District of Columbia, has been recognized since 2010. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Dwight C. is held by other top lawyers in the same geographic and legal practice area.

Mr. McGonigle focuses his practice on securities and investment regulation. His clients include broker/dealers, investment advisers, public companies, banks and individuals. He has experience in matters involving equity, fixed income, and derivative trading; broker/dealer and investment adviser compliance system design and review; fiduciary investment issues; regulatory registration issues; transactional disclosure issues; regulatory enforcement and grand jury representation; and litigation i...

David G. Tewksbury focuses his practice on federal energy regulatory law, particularly as it relates to electric power. He advises independent power producers, power marketers, trade associations and others on a wide range of federal energy regulatory, markets and reliability matters. Read full biography: https://www.mwe.com/people/tewksbury-david-g/