Over two dozen 2016 campaign staff alumni wrote a letter seeking a meeting with Sanders to "discuss the issue of sexual violence and harassment on the 2016 campaign, for the goal of planning to mitigate the issue in the upcoming presidential cycle".
"I thank them, from the bottom of my heart, for speaking out", Sanders wrote in a statement.
Sanders' principal campaign committee, Friends of Bernie Sanders, called Becker's alleged conduct "deplorable and fundamentally unacceptable" and announced that Becker "would not be a part of any future campaigns".
'To the women in our campaign who were harassed or mistreated, I apologize. "Our standards and safeguards were inadequate".More news: West Ham United turn down bid from China for Marko Arnautovic
Mr Becker denies any harassment, and no criminal charges have been filed.
The unnamed accuser said she never reported the alleged incident because it came on the same day that Mr Sanders' campaign ended after he failed to snatch the Democratic nomination from Hillary Clinton.
"I categorically deny these allegations of improper and unprofessional conduct", said Becker in a statement.
According to Wednesday reports, Jeff Weaver will not lead the potential campaign despite being a longtime member of Sanders' inner circle and managing his 2016 campaign for president.
Weaver told Politico that "without getting into the specifics of an incident where the woman involved has not given me express permission to speak, I only became aware recently".More news: Rape Case Investigators Issue Warrant For Cristiano Ronaldo's DNA
Earlier this month, former women staffers told the New York Times that, while working on Sanders' first campaign, they experienced "sexual harassment and demeaning treatment, as well as pay disparity" problems - and that there was no one to turn to for help.
"I was little bit busy running around the country trying to make the case", Sanders told CNN on January 2. Add Bernie Sanders as an interest to stay up to date on the latest Bernie Sanders news, video, and analysis from ABC News.
She said she felt compelled to speak out after Mr Becker travelled to SC in December on a trip to recruit future campaign workers for Mr Sanders.
"We are addressing what happened on the Bernie campaign but as people that work in this space we see that all campaigns are extremely unsafe to women and marginalized people and we are attempting to fix that", the campaign staffers wrote. Though the allegations against Sanders' campaign are far-reaching, the issue of sexual harassment has been pervasive across the political spectrum and beyond, as brought to light in the wake of the Me Too movement.More news: Prince Harry and Meghan Markle's first outing of 2019 is in Birkenhead
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