NSW Senator and Assistant Treasurer Mark Arbib has resigned from the ministry and the Senate.Mr Arbib said that everyone in the Labor Party had a responsibility to help the party mend the scars of the leadership battle.Senator Arbib - often described as one of the "faceless men" for his role in helping remove Kevin Rudd as PM in 2010 - described his resignation as a "gesture of goodwill" to the party to help it heal.Senator Abrib, who also served as Sports Minister, said that he was also resigning from the Parliament for family reasons.He said that after he was promoted to the ministry late last year, his daughter cried becuase it meant he would spend more time at work."Don't take the job, Dad," she said.Senator Arbib said that the past week in politics had been one of the "most difficult" weeks in Labor Party history.He said that leadership ballots were "difficult complex and emotional" events.He said that he believed Prime Minister Julia Gillard could and would win the next election - but he said it required a commitment from the caucus to put recent events behind them."What it requires is professionalism," he said.Senator Arbib - who was one of the key players behind Ms Gillard's rise to the Prime Ministership in 2010 - said that healing the party's scars required more than talk."It requires more than words, it requires action," he said."'Everyone has a responsibility, all of us have to play a part. And that includes me."Senator Arbib was promoted in Ms Gillard's cabinet reshuffle in December last year when he became Assistant Treasurer.He said that he had came to his decision to resign by himself.Senator Arbib said that he stood by his decisions in 2010 that lead to the dumping of Mr Rudd and that he had spoken to the Prime Minister in the wake of the partyroom vote this morning.Senator Abib said that his converstion with Ms Gillard was "emotional". He descibed the Prime Minister as both "tough" and a "friend".He said that his resignation provided an opportunity for party renewal."I don't think it's a secret I have been a faction leader," Mr Arbib said.But he echoed Mr Rudd's peaceful words today in saying that he was not bitter about what had happened, and his decision to leave.Senator Arbib described the "faceless man" tag as "ridiculous".He said that his resignation from the minsitry was effective from this Friday. His resignation from the Senate was effective from next Friday.His resignation from the position of Sports Minister means he won't represent the government at the 2012 London Olympics.He said his immediate plan was to take a break.