Jennifer Semko

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 ...

Daniel P. Lyon is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Daniel P., who practices law in Leesburg, Virginia, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Daniel P. is held by other top lawyers in the same geographic and legal practice area.

Jonathan S. Jeffress served the District of Columbia as an Assistant Federal Public Defender for 14 years, regularly taking on – and defeating – the Department of Justice and the U.S. Attorney’s Office in court. Jon specializes in representation for clients under investigation for alleged false statements, bribery, and campaign finance violations. Since entering private practice at Kaiser Law, Jon has worked with clients in all phases of federal criminal cases, including thr...

Rebecca Jacobs Goldman counsels a diverse array of clients, including companies and individuals in the communications, technology, and media industries. She leverages deep industry knowledge in the communications regulatory space with a flexible, forward-thinking approach to counseling clients on navigating new markets and expanding their businesses while reducing risk. Based on years of experience working with clients in various industries, Rebecca provides essential business guidance applic...

Daniel M. Jaffe is a top attorney recognized by Best Lawyers in the practice area(s) of Transportation Law. Daniel M., 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 Daniel M. is held by other top lawyers in the same geographic and legal practice area.

Ellen K. Harrison advises clients on a broad range of tax issues, including estate planning and administration, tax controversies, and income, gift and estate tax planning for individuals, businesses and charitable organizations. She has significant experience drafting wills, trusts, powers of attorney, prenuptial arrangements and buy-sell agreements, as well as a broad range of corporate documents and family partnership agreements. Her tax controversy and litigation experience includes Inter...

Vincenzo is one of the four founding partners of Rock Creek Energy Group. Vincenzo represents generation owners and developers, energy traders, private equity firms, financial institutions, and other investors on transactional, regulatory, and compliance matters involving the Federal Energy Regulatory Commission (FERC) and advises clients on the requirements of the Federal Power Act, the Public Utility Holding Company Act of 2005, and the Public Utility Regulatory Policies Act of 1978. ‍ ...

Michelle D. Gambino is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Litigation - Banking and Finance and Litigation - Real Estate. Michelle D., who practices law in McLean, Virginia, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michelle D. is held by other top lawyers in the same geographic and legal practice area.

Darla J. McClure is a top attorney recognized by Best Lawyers in the practice area(s) of Business Organizations (including LLCs and Partnerships), Closely Held Companies and Family Businesses Law, Corporate Law, Employment Law - Individuals and Employment Law - Management. Darla J., who practices law in Rockville, Maryland, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Darla J. is held by other top lawyers in...

Mr. Cassidy focuses on legal issues raised by cross-border business transactions, including antidumping and countervailing duty proceedings, economic sanctions, export controls and customs issues. He is experienced in devising strategies for using trade law procedures, such as the antidumping laws, to achieve business objectives and in resolving disputes between companies and the US government arising from sanctions, export controls and customs laws. Mr. Cassidy served as General Counsel of t...