GREENWICH, Conn.--(BUSINESS WIRE)--W. R. Berkley Corporation (NYSE: WRB) today announced the appointment of Erin Rotz as president of Berkley Fire & Marine. The appointment is effective immediately. Ms. Rotz has more than 20 years of inland marine and construction underwriting experience. She most recently led the inland marine division at a large multinational carrier. As a proven executive, she aligns people around a shared vision to deliver innovative solutions that create value for poli. ...