Trump’s company cloaked him in gilded fame. Now it faces felony charges, debt and a tainted brand.

If Weisselberg, 73, were to unexpectedly leave the company, whether for reasons related to the case or not, D’Antonio said, it could cause a major disruption. He said Weisselberg has effectively run the business with Trump for several decades, managing the details and the finances while Trump built his brand and cut deals.