Mark A. Srere

Perry Lange represents clients in diverse antitrust matters before US courts, the US Department of Justice and Federal Trade Commission, state attorneys general and Congress. He has extensive experience litigating antitrust cases, including trials and appeals, securing merger clearance, and defending state and federal investigations. He has also represented a diverse set of clients in antitrust policy matters such as congressional investigations and hearings in both the House and Senate, incl...

James V. Cole is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. James V., 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 James V. is held by other top lawyers in the same geographic and legal practice area.

Scott Museles is a top attorney recognized by Best Lawyers in the practice area(s) of Business Organizations (including LLCs and Partnerships) and Corporate Law. Scott, who practices law in Potomac, Maryland, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Scott is held by other top lawyers in the same geographic and legal practice area.

Peter M. Gillon is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law. Peter M., who practices law in Washington, District of Columbia, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Peter M. is held by other top lawyers in the same geographic and legal practice area.

Adam W. Walsh is a partner of Grossberg, Yochelson, Fox & Beyda, LLP. He received a Bachelor of Arts degree from the University of Notre Dame and a Juris Doctor degree from the College of William and Mary School of Law. Mr. Walsh has 20 years of experience working with both institutional and entrepreneurial clients in the acquisition, development, structuring, leasing and financing of commercial real estate projects. The complex transactions that Mr. Walsh handles include joint venture fo...

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

Gregory Doran is the leader of the firm’s Community Development Finance practice and one of the nation’s leading authorities on community development finance. He helps investors, lenders and borrowers employ federal and state tax incentives to promote development in underserved markets. Greg primarily works with federal and state new markets tax credit (NMTC) and historic preservation programs. He learned his craft working in the IRS Office of Chief Counsel, where he helped develo...

Benjamin Grosz is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law and Tax Law. Benjamin, 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 Benjamin is held by other top lawyers in the same geographic and legal practice area.

Mark L. Stember is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law and Litigation - ERISA. Mark L., 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 Mark L. is held by other top lawyers in the same geographic and legal practice area.

Adam Hoffinger's litigation and trial practice focuses on complex civil and white‑collar criminal matters, including securities, health care, Foreign Corrupt Practices Act, False Claims Act, export controls, money laundering, antitrust, and bankruptcy. He counsels corporations and individuals in compliance matters, internal investigations, and Congressional and regulatory matters. He also represents corporations and individuals in high stakes civil litigation. Mr. Hoffinger has defended numer...