Aon Corporation made several appointments to the Property and Casualty Group of its Combined Specialty Group Inc. John Intondi was appointed senior vice president, Claims, and will be responsible for all claims matters for the P&C Group. Michael Wisner was named senior vice president, Property & Casualty Group Operations with responsibility for premium and loss transaction processing for the P&C Group. Dean Maxwell was appointed senior vice president, Internal Audit. Maxwell will be responsible for internal audit functions for all operating units of CSG. Phillip S. McCrorie was appointed vice president, controller for the P&C Group with responsibility for finance and accounting functions. Ed Velasquez was named executive vice president, Management Liability and Professional Liability Lines and will be responsible for managing commercial and financial institution D&O, fiduciary liability, employment practices liability and miscellaneous professional liability products. Michael Flaherty was appointed senior vice president, E & S Umbrella & Excess. His responsibilities include management of the wholesale umbrella and excess liability practice for the P&C Group.