Nathaniel Glasser

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

Eduardo S. Garcia is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Eduardo S., who practices law in Rockville, Maryland, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Eduardo S. is held by other top lawyers in the same geographic and legal practice area.

Jiayan Chen is deeply experienced in the regulatory, transactional and strategic issues that arise when leveraging health information, biospecimens and technology to drive healthcare innovation and quality. She guides stakeholders on privacy compliance and research compliance and in the context of strategic initiatives and collaborations as they seek to harness the power of data, machine learning, DNA sequencing and technologies to develop and deploy new products and solutions and address cha...

Joyce advises clients on regulatory, legislative, and compliance issues. Clinical laboratories and a wide range of other health care entities rely on her comprehensive understanding of health care law and on her advocacy and public policy experience to navigate through various policy issues. Joyce draws on her experience of more than a decade as a public policy advocate and campaign professional. She worked for Democratic candidates campaigning for President, governor, U.S. Senate, and U.S. H...

Justin V. Shur is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Justin V., who practices law in Washington, District of Columbia, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Justin V. is held by other top lawyers in the same geographic and legal practice area.

Jeffrey A. D. Cohen is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Jeffrey A. D., who practices law in McLean, Virginia, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jeffrey A. D. is held by other top lawyers in the same geographic and legal practice area.

Jeff represents every regulatory and transactional concern of equipment manufacturers and government contractors, as well as wireless, video and data providers, and end-users. He represents equipment manufacturers with respect to all applicable FCC regulations, including those governing importation, emissions compliance, equipment authorization/labeling, and marketing. Jeff has extensive experience in matters relating to experimental licensing for military, homeland security and other high-te...

Adam Herzog, a partner of Katz Banks Kumin, joined the Firm in December 2013. Mr. Herzog has represented numerous clients pursuing whistleblower tips before the SEC, CFTC and FINCEN and has successfully assisted them in earning millions of dollars in award payments. Three of Mr. Herzog’s clients received SEC whistleblower awards in the second half of 2023 alone, some of whom participated in a $104 million total award that was the fourth largest in the SEC program’s history. Detail...

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...

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...