Edward Matson Sibble

Edward Matson Sibble

Partner Co-Chair of Debt Finance
Edward Matson Sibble

Mat Sibble is a partner in the firm's Financial Industry Practice and he also co­-chairs the Debt Finance Practice. With over 35 years of experience, Mr. Sibble has an extensive debt finance practice representing institutional lenders, borrowers and equity sponsors on financing transactions on a broad range of complex financings, including acquisition and leveraged buyout financings, capital call lines and credit facilities. Mr. Sibble’s practice also extends to tax-exempt financings, both as nationally recognized bond counsel and as counsel to underwriters and other participants in public offerings. Mr. Sibble is continuously ranked by clients and peers in Chambers USA, and has been singled out for being “extremely proactive, practical, and knowledgeable.”

Professional Activities

Mr. Sibble is a member of the Massachusetts Bar Association, the American College of Investment Counsel and the National Association of Bond Lawyers.

Professional Experience

After graduating law school, Mr. Sibble served as law clerk for The Honorable Levin H. Campbell, U.S. States Court of Appeals for the First Circuit.


Mr. Sibble has been selected for inclusion in Chambers USA: America’s Leading Lawyers for Business.

While in law school, Mr. Sibble served as Editor-­in-­Chief of the Georgetown Law Journal at Georgetown University Law Center.

Areas of Practice


Mr. Sibble represents major regional, national and international banks in a broad range of matters. His clients also include private equity sponsors, venture capital firms and their portfolio companies in financing transactions. Representative matters include:

  • Over $500 million of credit facilities to professional sports franchises
  • Over $1 billion of syndicated credit facilities representing Agents to borrowers in a wide range of industries
  • Over $3 billion of capital call liquidity facilities provided by senior lenders
  • Over $1 billion of acquisition facilities for private equity sponsors and their portfolio companies



J.D., 1976
Georgetown University Law Center
A.B., 1973
Harvard University

(magna cum laude)


1976 to 1977 U.S. Court of Appeals for the First Circuit, Honorable Levin H. Campbell



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