sentences:  In April 2012, Cabot ranked forty-fourth among the top 100 leading companies that demonstrated superior management, mitigation and adaptation in the field of climate innovation.Cabot was awarded a 2012 Leadership Award for the Massachusetts Excellence in Commuter Options Awards.Cabot Corporation’s Board of Directors is chaired by non-executive John F. O'Brien, retired President and
  Chief Executive Officer Allmerica Financial Corp.