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Mark Lange

SVP, Specialty Finance

Mark leads business development efforts for the Specialty Finance Group. Prior to joining Square 1, he provided equipment financing to early-stage technology and life sciences companies. Mark holds a BS in Finance from the University of Rhode Island. Mark joined Square 1 in 2015.

Outside the Square

  • Is a huge fan of the LPGA.
  • Served as a Peace Corps Volunteer in Mauritania, West Africa.
  • Is an avid reader – his favorite book is The Good Earth by Pearl Buck.


  • Accounts Receivable Finance


  • New England
  • New York Metro
  • Mid-Atlantic
  • Southeast


131 Oliver Street
2nd Floor
Boston, MA 02110

P: 617.894.7731

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