Eric J. Gyllenborg Partner

Boston, MA

Phone: (617) 439-7515 Fax: (617) 342-4831 Download VCard

Eric J. Gyllenborg

Eric is a partner in the Boston office of Morrison Mahoney and provides a broad range of legal services. His practice is focused on general corporate, commercial lending, private securities offerings, private equity, venture capital, finance, employment, and medical and technology transfer matters. Eric advises clients on a wide array of transactions including choice of entity formation, entrepreneurial start-ups, commercial lending, capital raising, securities offerings, mergers and acquisitions, shareholder agreements, employment agreements, consulting agreements, corporate governance, shareholder disputes, business and intellectual property issues, leases, joint venture agreements, asset sales, dissolution, counseling of family-owned enterprises and providing outside general corporate counsel to businesses in a broad base of industries.

He helps clients structure, negotiate and document formations, mergers and acquisitions, asset sales and dissolutions and other complex business needs, such as:

  • general corporate counsel
  • commercial lending and loan restructurings
  • mergers and acquisitions
  • securities offerings
  • shareholder, employment, consulting and operating agreements
  • corporate governance and shareholder disputes
  • business, trademarks and intellectual property issues
  • leases
  • joint venture agreements

He also represents lenders and borrowers in connection with sophisticated financial transactions, including commercial and industrial loans, asset-based loans, term loans, commercial lines of credit, revolving credit facilities, working capital loans, construction loans, mortgage warehouse credit facilities and securitized loans, as well as intercreditor arrangements.

Eric represents a wide range of corporate and institutional clients. Representative highlights include:

  • lenders and borrowers in connection with commercial and institutional lending
  • entrepreneurs in the formation of new business entities including corporations, limited liability companies, partnerships, and business trusts
  • clients undertaking equity or debt capital raising
  • business clients performing mergers, acquisitions, and other related business transactions
  • management of companies for general corporate governance, employment matters, preparing employment, shareholder (buy-sell) and other related agreements
  • numerous Boston-based teaching hospitals with consulting agreements and clinical sponsored research arrangements
  • buyers and sellers of privately held companies
  • non-profit entities with formation, obtaining tax-exempt status, fund-raising compliance, mergers, acquisitions, and dissolutions
  • business succession planning


Speaking Engagements

  • Panel Moderator, Massachusetts Lawyers Weekly's In-House Counsel Breakfast, December 6, 2019


  • Boston Bar Association
  • Massachusetts Bar Association
  • Boston Estate Planning Council
  • MCLE, Small Business Law Practice
  • Tower School, Board of Trustees

Honors & Awards

  • Recognized as a Massachusetts “Rising Star” in a research project conducted jointly by Boston and Law & Politics magazines

Boston, MA Office

250 Summer Street
Boston, MA 02210
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Areas of Practice

Bar Admission

  • Massachusetts


  • B.A, cum laude — University of Massachusetts Amherst
  • J.D. — Suffolk University Law School

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