https://www.cnbc.com/2017/12/05/shervin-pishevar-steps-away-from-sherpa-capital-hyperloop-one.html >Sherpa Capital and Virgin Hyperloop One co-founder Shervin Pishevar said on Tuesday that he is taking a leave of absence from both firms on his own accord. >"As many of you have seen in recent news coverage, I filed a lawsuit last month against what I believe to be potential perpetrators of a smear campaign against me," Pishevar said in a statement.