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Mark S. Horoupian


Mark S. Horoupian is a partner in the Bankruptcy & Reorganization practice group at Greenspoon Marder where he focuses on bankruptcy, bankruptcy litigation, corporate restructurings, receiverships, assignments for the benefit of creditors and other non-bankruptcy insolvency solutions. He represents a wide spectrum of participants in the insolvency process, including creditors, creditors’ committees, debtors in possession, Chapter 11 and Chapter 7 trustees, assignees for the benefit of creditors and acquirers of assets from bankruptcy estates. Mr. Horoupian also has substantial experience representing real estate developers in their individual Chapter 11 cases.  Mr. Horoupian also acts as an assignee for the benefit of creditors.

Prior to joining Greenspoon Marder, he spent over 28 years at a boutique bankruptcy firm based in Los Angeles. He has served as lead counsel on several successful Chapter 11 reorganizations. Since 2004, Mr. Horoupian has been recognized annually as a “Southern California Super Lawyer,” a distinction given to only 5% of Southern California attorneys.

Bar Admissions

  • California


  • J.D., Loyola Law School, 1994
  • B.A., University of California, Santa Barbara, 1991


  • English
  • Armenian

Representative Clients

  • Queen’s Seaport Development, Inc., dba The Queen Mary (Chapter 11 trustee)
  • Project Playlist, Inc. (debtor in possession)
  • Wolf Mountain, LLC (debtor in possession)
  • Meade Instruments, Inc. (creditors’ committee)
  • WJA Asset Advisors (creditors’ committee)
  • Fleetwood Enterprises, Inc. (liquidating trustee)
  • RCR Plumbing & Mechanical, Inc. (liquidating trustee)
  • Snow Valley, LLC (debtor in possession)
  • Powerplant Maintenance Specialists, Inc. (reorganized debtor)
  • Bordiers’ Nursery (creditors’ committee)
  • Wareforce, Inc. (creditors’ committee)
  • Estyle, Inc., dba Babystyle (debtor in possession)
  • Avus Systems & Peripherals (creditors’ committee)
  • Olympia Group, Inc. (creditors’ committee)
  • Dura Art Stone, Inc. (creditors’ committee)
  • Culinary Adventures, Inc. (creditors’ committee)
  • Power Balance, Inc. (creditors’ committee)
  • RP Automotive, Inc. (purchaser of assets in bankruptcy case)
  • Glenroy Coachella, LLC (receiver)
  • Pulselocker, Inc. (assignee for benefit of creditors)
  • All Def Digital, LLC (assignee for benefit of creditors)

Professional and Community Involvement

  • American Bar Association, Member and Past Board Member
  • Financial Lawyers’ Conference, Member
  • Los Angeles County Bar Association, Commercial Law & Bankruptcy Section, Member
  • Orange County Bankruptcy Forum, Member
  • Vincent’s Hospital, Board of Directors, 2004-2009




  • U.S. News and World Report, “Best Lawyers in America,” Litigation-Bankruptcy, 2024
  • Super Lawyers magazine, “Southern California Super Lawyers,” 2009-Present
  • Super Lawyers magazine, “Southern California Rising Star,” 2004-2008
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