A leader within Time's Up, the organization founded in the wake of the #MeToo movement to fight gender-based discrimination in the workplace, has resigned after it emerged that she aided New York Gov. Andrew Cuomo after multiple women accused him of harassment.

       Roberta "Robbie" Kaplan was the chair of the board of directors at Time's Up before resigning Monday. She was also a co-founder of the Time's Up Legal Defense Fund and a prominent voice in the #MeToo movement that toppled Hollywood executives and others accused of harassing and assaulting women.

       MORE: Biden, lawmakers join growing chorus demanding Gov. Cuomo's resignation

       Kaplan, also an attorney in her own private practice, stated in her resignation letter obtained by ABC News that she has found working as a lawyer does not allow her to talk openly or have the degree of transparency now being demanded, "since that would be contrary to my responsibilities as a lawyer."

       "I therefore have reluctantly come to the conclusion that an active litigation practice is no longer compatible with serving on the Board at Times Up at this time and I hereby resign," she stated.

       "It has been difficult for me to reach this decision in light of the challenges facing women today," she added. "Now more than ever, and especially in light of the consequences of the ongoing pandemic, we know that 'time' is still very much 'up' and that much more change needs to happen."

       Kaplan said she looks forward to "continuing the fight for change and to advancing the mission we all share."

       Roy Rochlin/Getty Images, FILE

       Robbie Kaplan speaks onstage at "Time's Up" during the 2018 Tribeca Film Festival at Spring Studios on April 28, 2018 in New York City.

       New York Attorney General Letitia James announced the results of her office's monthslong probe into the allegations against Cuomo late last week, saying he was found to have sexually harassed multiple women. In at least one instance, the governor is also accused of seeking to retaliate against a woman who leveled accusations against him, according to James' investigation.

       The more than 160-page attorney general's office report on Cuomo names Kaplan as allegedly being involved in an effort to discredit one of Cuomo's accusers.

       MORE: Top aide to Gov. Andrew Cuomo resigns amid investigation

       Time's Up did not immediately respond to ABC News' request for comment Monday.

       In the wake of the report, a chorus of lawmakers -- including President Joe Biden -- have called for Cuomo to resign.

       Cuomo has denied all allegations of sexual harassment or misconduct. When accusations emerged earlier this year, the embattled governor said he would not resign. Melissa DeRosa, one of Cuomo's top aides, resigned on Sunday after state investigators alleged she was part of the "retaliation" against one of his accusers.

       On Monday, New York State's Assembly Judiciary Committee Chairman Charles Lavine called the findings of the report "deeply disturbing" as he ushered the committee into an executive session to discuss next steps in the impeachment investigation.