People: Marcantonio W. Barnes, Senior Counsel

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Marcantonio W. Barnes

Senior Counsel

Washington, D.C.
Direct: (202) 828-3598
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Marcantonio (“Marco”) W. Barnes focuses his practice on mergers and acquisitions, structured finance and derivatives, federal procurement and disputes, energy project finance and commercial contracts, including the outsourcing of large-scale information technology infrastructure services and support.
 
He has a unique combination of substantive legal and business experience. Prior to entering the practice of law, Mr. Barnes was an executive at a large information technology firm, as well as a multinational corporation where he led several domestic and international business initiatives, including an audit and evaluation of credit lending facilities for the Ministry of Finance in Cairo, Egypt.  His understanding of the underlying business issues within each transaction is significant. His background is geographically and substantively diverse and includes legal and business experience representing information technology, energy, manufacturing, and financial services clients
 
Mr. Barnes also is an Adjunct Professor of Law at Georgetown University Law Center, teaching “Complex Derivatives: Structure and Usage” and “Regulation of Derivatives.” He has held public service positions with the Securities and Exchange Commission and the Chief Counsel’s Office of the U.S. House Oversight Committee. Mr. Barnes serves as  a commissioner of the Fairfax County Small Business Commission. In that role, he advises and assists the Fairfax County Board of Supervisors on procurement matters related to small, minority, service-disabled veteran and women-owned businesses.
 
Mr. Barnes is fluent in Portuguese (Brazil)
 
Marcantonio (“Marco”) W. Barnes focuses his practice on mergers and acquisitions, structured finance and derivatives, federal procurement and disputes, energy project finance and commercial contracts, including the outsourcing of large-scale information technology infrastructure services and support.
 
He has a unique combination of substantive legal and business experience. Prior to entering the practice of law, Mr. Barnes was an executive at a large information technology firm, as well as a multinational corporation where he led several domestic and international business initiatives, including an audit and evaluation of credit lending facilities for the Ministry of Finance in Cairo, Egypt.  His understanding of the underlying business issues within each transaction is significant. His background is geographically and substantively diverse and includes legal and business experience representing information technology, energy, manufacturing, and financial services clients
 
Mr. Barnes also is an Adjunct Professor of Law at Georgetown University Law Center, teaching “Complex Derivatives: Structure and Usage” and “Regulation of Derivatives.” He has held public service positions with the Securities and Exchange Commission and the Chief Counsel’s Office of the U.S. House Oversight Committee. Mr. Barnes serves as  a commissioner of the Fairfax County Small Business Commission. In that role, he advises and assists the Fairfax County Board of Supervisors on procurement matters related to small, minority, service-disabled veteran and women-owned businesses.
 
Mr. Barnes is fluent in Portuguese (Brazil)
 

Education

  • LL.M, Georgetown University Law Center
  • J.D., George Mason University School of Law
  • B.A., George Mason University

Admissions

  • District of Columbia
  • Virginia
  • New York

Courts

  • U.S. District Court for the Eastern District of Virginia
  • U.S. Court of Federal Claims