Kelvin Hughes has appointed Ron Nailer as the new managing director of Kelvin Hughes Ltd., succeeding Dr. Martin Jones, who has returned to the parent company - Smiths Group Plc head office - to pursue his responsibilities as director of Technology and Innovation of Smiths' Industrial Group. Nailer leaves his current post as divisional managing director for the Dowty aviation support and electronics distribution companies, which Smiths acquired via its merger with TI last year.