Richard T. Choi

Jack S. Barufka is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Jack S., who practices law in Tysons, Virginia, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jack S. is held by other top lawyers in the same geographic and legal practice area.

Paul Oosterhuis is a senior international tax partner representing clients on a wide range of international and U.S. tax matters. Mr. Oosterhuis has extensive experience in international mergers and acquisitions, post-acquisition integration transactions, spin-offs, internal restructurings and joint venture transactions. He also represents multinational companies in nontransactional international tax planning and IRS controversy matters. In recent transactions, Mr. Oosterhuis has represented:...

Jennifer P. Hughes is a top attorney recognized by Best Lawyers in the practice area(s) of Gaming Law and Native American Law. Jennifer P., 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 Jennifer P. is held by other top lawyers in the same geographic and legal practice area.

Catherine P. McCarthy is a top attorney recognized by Best Lawyers in the practice area(s) of Energy Law. Catherine P., 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 Catherine P. is held by other top lawyers in the same geographic and legal practice area.

Chris graduated from Falls Church High School in 1988, Georgetown University in 1992, and William and Mary law School in 1996. He also attended the George Washington University Master’s Program in Forensic Science from 2001-2003. During law school, Chris concentrated in criminal defense by working as an investigator at the D.C. Public Defender Service. He also clerked at the Public Defender’s Office in Bellingham, Washington in the summer of 1995, where he won his first jury trial...

Alexander H. Xanttopoulos is a principal attorney with Roop, Xanttopoulos, Babounakis. He joined the predecessor firm in Fall 2010, to focus primarily on family law. He works in cases involving divorce, child custody, support, visitation and equitable distribution. Prior to joining Roop Law, Alex worked for several years for Greenspun, Shapiro, Davis and Leary P.C. as an associate practicing in the areas of domestic relations, traffic, criminal defense and civil litigation. He also has experi...

Robert Moreiro is a top attorney recognized by Best Lawyers in the practice area(s) of Securities Regulation. Robert, 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 Robert 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...

Elizabeth Smith is a top attorney recognized by Best Lawyers in the practice area(s) of Mass Tort Litigation / Class Actions - Plaintiffs. Elizabeth, 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 Elizabeth is held by other top lawyers in the same geographic and legal practice area.

Rohit Chaudhry is a debt finance partner in the Washington, D.C., office of Kirkland & Ellis LLP. Rohit’s practice focuses on energy and project finance transactions, sales and acquisitions, as well as project restructurings across the energy spectrum, including independent power, oil & gas, midstream and LNG sectors. Rohit represents private equity funds, developers, lenders and institutional investors on domestic and international transactions. He has led transactions in the U...