1. A computer-implemented method for collaborative management of information technology infrastructure events, comprising: receiving, by an event management computer system, event information identifying an event impacting an information technology infrastructure of an enterprise; communicating, by the event management computer system, information about the event to a first user data communication device, the first user data communication data device having a display for displaying the information about the event, wherein the first user data communication device is associated with an owner of a process affected by the event; receiving, by the event management computer system, from the owner via the first user data communication device, a selection of at least one participant for a core team to assess the event and at least one additional detail about the event; communicating, by the event management computer system, information about the event to a second user data communication device, wherein the second user data communication device is associated with the at least one core team participant, wherein the information includes the at least one additional detail; and during a core team assessment call involving at least the owner and the at least one participant: displaying manager information on the display of the first user data communication device, wherein the manager information comprises names of the participants on the core team assessment call and a status of the core team assessment call; displaying core team information on a display of the second user data communication device, wherein the core team information comprises names of the participants on the core team assessment call and the at least one additional detail; receiving, by the event management computer system, a description of at least one corrective action in response to the event created by the at least one participant; displaying the description of the at least one corrective action on the display of the first user data communication device; displaying a communications schedule to a third user data communication device, wherein the third user data communication device is associated with one of an enterprise employee, a technical participant, and a business unit participant, wherein the communications schedule graphically identifies a plurality of calls related to the event, wherein the plurality of calls comprises at least one scheduled call and the core team assessment call in progress; and upon receiving a selection of the core team assessment call from the communications schedule, telephonically joining one of the enterprise employee, the technical participant, and the business unit participant to the core team assessment call.