Isaac Marcushamer


Contact Details

“How you do anything, is how you do everything.”

Isaac Marcushamer is a highly accomplished attorney with more than 15 years of experience handling complex business matters. Born in Mexico City and raised in Canada, Isaac brings a global perspective to his practice and is regarded as an elite problem-solver in his field.


Isaac helps clients involved in business disputes of all kinds, as well as companies in distress, including Chapter 7 and 11 bankruptcies.  He also serves as general counsel to companies and high net worth families requiring ongoing strategic legal advice in all facets of their business.

Prior to joining forces with Daniel Y. Gielchinsky to build DGIM Law, Isaac practiced as a leading litigation and bankruptcy attorney with notable South Florida law firms, affording him a unique understanding of how to successfully service a sophisticated client base. During this time, he was an instrumental partner of the business and restructuring team of one of the state’s most prominent law firms, where he also held the role as the first Chief Innovation Partner, leading the identification and execution of new technologies to amplify client services ─ a skillset he continues to foster today.

Isaac has been acknowledged as a leading attorney by Chambers & Partners USA, SuperLawyers, Legal Elite and is Martindale-Hubbell, AV® Preeminent™ rated.

Isaac currently serves as the Chair of Board of Governors’ for Scheck Hillel Community School, after a 7-year tenure as an active board member. His dedication to this leadership role is powered by his passion to ensure children in the South Florida community receive the quality education and proper foundations they deserve.

In his free time, he enjoys starting his day on a Peloton bike or treadmill (and can be found on the leaderboard as “Yitsi1980”), going on adventures with his wife and two daughters, and watching his beloved Edmonton Oilers.

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Notable Matters + History

  • Law Clerk for Honorable Raymond B. Ray, United States Bankruptcy Court, Southern
  • Represented Judge Herbert Stettin as Chapter 11 Trustee for the law firm of Rothstein, Rosenfeldt & Adler, P.A. This case is reported to be the largest Ponzi scheme in Florida history and involves approximately $1.2 billion in claims. The confirmed Plan of Reorganization is expected to provide a 100% distribution to all allowed general unsecured creditors.
  • Successfully represented Judge Stettin in connection with the appeal to the Eleventh Circuit Court of Appeal of the Federal Government’s attempt to forfeit the assets of Scott W. Rothstein. United States v. Rothstein Rosenfeldt Adler P.A., 717 F.3d 1205 (11th 2013).
  • Represented Daniel Stermer as Assignee in the assignment for benefit of creditors for The Peer Center, a mental health support facility in Broward County. The Peer Center’s assets were sold, and its operations closed. All creditors received a distribution and over $100,000 was donated to a charitable cause dedicated to the same mission as The Peer Center.
  • Represented Chelle Construction in connection with its Chapter 11 proceedings. Confirmed a Chapter 11 Plan that resulted in a reduction of more than 50% of outstanding debt.
  • Successfully defended an involuntary bankruptcy petition against a foreign national and obtained an award of damages and attorneys’ fees under 303(i) of the Bankruptcy Code.
  • Represented a Venezuelan National in connection with an international transaction over $15 million.
  • Represented CP Miami LLC in connection with the Chapter 11 Proceedings of Commodore Parking Plaza LP and obtained a transfer of the debtor’s assets to CP Miami through a Chapter 11 Plan.
  • Represented equity owners and plan sponsors for a refinery and terminal operations company and affiliates in its Chapter 11 reorganization involving USD $100 million sale of Texas oil refinery and disposition of cross-border claims.
  • Represented Omar Romay and his affiliates in obtaining summary judgment against Caribevision Holdings Inc., for breach of contract in the amount of $9.320 million.
  • Represented Omar Romay and his affiliates as a major creditor in confirmation of the Chapter 11 plan of American CV-Station Group Inc., and its affiliates.
  • Represented affiliate of BridgeInvest in connection with the $32 million foreclosure of the Variety Hotel.
  • Successfully represented corporate defendant in Beit Din arbitration
  • Represented Plaintiffs and Defendants in more than 150 fraudulent transfer and preference “clawback” cases


  • University of Toronto, bachelor’s degree in Economics and Political Science
  • Hofstra University School of Law, juris doctorate, cum laude
  • Florida
  • New York
  • S. Bankruptcy Court Northern, Middle, and Southern District of Florida
  • S. District Court Northern, Middle, and Southern District of Florida
  • Eleventh Circuit Court of Appeals


  • International Insolvency Institute’s NEXTGEN Leadership Program, Member
  • Scheck Hillel Community School, Chair of Board of Governors’ (2021- present)