Maureen O'Brien

Vincent “Vince” McKnight, Jr., is the Managing Partner of Sanford Heisler Sharp’s Washington, D.C., office and Co-Chair of the firm’s Whistleblower Practice. He also represents clients in employment discrimination and wrongful discharge cases. Vince represents whistleblowers in sealed and unsealed False Claims Act/qui tam suits under investigation by the United States and other governmental stakeholders. He has achieved significant success in such cases, including the ...

Dan Kraftson is a construction law attorney with Kraftson Caudle in McLean, Virginia. His practice focuses on Construction Law and Litigation – Construction, with an emphasis on complex construction contract disputes. Dan assists clients with the preparation, negotiation, and litigation of claims involving additional time and compensation under fixed-price, cost-reimbursable, and other construction contract structures. His work also includes claim analysis under both government and priv...

David M. Perlman is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law and Oil and Gas Law. David M., 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 David M. is held by other top lawyers in the same geographic and legal practice area.

Allyson Mullen provides counsel to medical device and in vitro diagnostic (IVD) manufacturers. Ms. Mullen assists clients with a wide range of pre and postmarket regulatory topics including developing regulatory strategy, preparing regulatory submissions, drafting regulatory policies and procedures, reviewing advertising and promotional materials, and addressing enforcement matters. In the premarket area, Ms. Mullen develops regulatory strategy, including obtaining breakthrough device designa...

Gregory McGillivary is the managing partner of McGillivary Steele Elkin LLP. He has over 30 years of experience litigating, arbitrating, settling, and most importantly, winning multi-million-dollar cases on behalf of unions and individual workers who have been wrongly denied pay and benefits. He has represented tens of thousands of workers in a multitude of industries in both the public and private sector through all levels of the judiciary system and in arbitration. In addition to litigation...

Venroy July differentiates his practice through his recognition of the interplay of business and legal considerations in the current economic climate, thereby positioning himself to effectively work with clients to develop the appropriate strategies to accomplish their business goals. Venroy’s diverse practice and experience has seen him advise clients operating in the government contracting, transportation, cybersecurity, banking and technology industries on an array of matters includi...

Charles R. Naftalin is a top attorney recognized by Best Lawyers in the practice area(s) of Communications Law. Charles R., 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 Charles R. is held by other top lawyers in the same geographic and legal practice area.

A former DOJ cybercrime prosecutor and former director of PwC’s cyber forensics group, Kim delivers top of the line cyber risk management and information security counsel to her clients. As co-leader of our Privacy, Cyber & Data Strategy Team and National Security & Digital Crimes Team, Kim is recognized by select publications and is frequently quoted by the media. Kim Peretti is co-leader of the Privacy, Cyber & Data Strategy Team and National Security & Digital Crimes ...

Mark J. Plumer is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law. Mark J., 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 Mark J. is held by other top lawyers in the same geographic and legal practice area.

Harry L. Gutman is a top attorney recognized by Best Lawyers in the practice area(s) of Government Relations Practice and Tax Law. Harry L., who practices law in Washington, District of Columbia, has been recognized since 1997. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Harry L. is held by other top lawyers in the same geographic and legal practice area.