David S. Greenberg

Seth Perretta advises clients on a wide range of federal tax and ERISA matters regarding employee benefits and insurance. His practice encompasses qualified retirement plans, executive compensation, federal income and employment taxes, health and welfare arrangements, and insurance. Seth represents employers, private equity and investment firms, insurance companies, professional employer organizations (“PEOs”), trade associations, and public policy organizations on all aspects of ...

Lisa Hawke is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. Lisa, 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 Lisa is held by other top lawyers in the same geographic and legal practice area.

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

Shannon J. Briglia is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law and Litigation - Construction. Shannon J., who practices law in Tysons, Virginia, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Shannon J. is held by other top lawyers in the same geographic and legal practice area.

A recognized authority on international labor standards, Stefan Marculewicz advises multi-national corporations on issues involving employer efforts to address and respond to international labor standards. He also advises multinational enterprises in connection with the following: The International Labour Organization and its Committee on Freedom of Association The Organisation for Economic Co-operation and Development The United Nations Global Compact The United Nations Guiding Principles on...

Charles M. Asmar is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law and Litigation - Construction. Charles M., who practices law in Washington, District of Columbia, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Charles M. is held by other top lawyers in the same geographic and legal practice area.

Neil L. Levy focuses his practice on energy-related regulatory and transactional matters. He represents independent power producers, electric power and natural gas marketers, merchant transmission developers, interstate pipelines and local distribution companies before the Federal Energy Regulatory Commission (FERC), state public utility commissions and the courts of appeal. Neil regularly represents private equity clients in merger and acquisition transactions in the energy sector. He also f...

John E. Kelly is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar and Health Care Law. John E., 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 John E. is held by other top lawyers in the same geographic and legal practice area.

Courtney M. Brown is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense: White-Collar. Courtney M., who practices law in Washington, District of Columbia, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Courtney M. is held by other top lawyers in the same geographic and legal practice area.

Kirk Niemi is an experienced construction industry attorney who focuses his practice on construction litigation, government contracts, surety, and associated contract issues. He represents owners, general contractors, subcontractors, sureties and government agencies including highway departments and municipalities. He has extensive experience in complex matters before courts, arbitrators and mediators regarding various construction issues including mechanics' liens, acceleration claims, chang...