donald trump allen weisselberg
Trump Organization chief financial officer Allen Weisselberg looks on as then-U.S. Republican presidential candidate Donald Trump speaks.
  • Weisselberg was the Trump Organization's top fiscal officer for 30 years.
  • Earlier this month, he admitted he perjured himself while testifying in Trump's civil fraud trial.
  • He turned himself in on Wednesday to start a previously agreed-to sentence of five months in jail. 

Allen Weisselberg, Donald Trump's longtime, loyal chief financial officer, began serving a five-month perjury sentence Wednesday.