Aviva plc has appointed Susan Penwarden as the new chief underwriting officer for Commercial, Corporate & Specialty Lines. Susan joins Aviva from RSA where she worked for 13 years, most recently as Group Specialty Portfolio Director. In her new role at Aviva, Susan will report directly into Axel Schmidt, Aviva's UK and Ireland General Insurance CUO (chief underwriting officer), and will have overall accountability for underwriting results and product development in all Commercial and CSR lines of business.