Event Management covers a wide range of jobs. It could be a job with an event company, an association, a company with private events or as a synonym for exhibits manager. The salaries paid vary greatly by city and probably responsibility. The event manager for SalesForce.com may compensated quite a bit above the average for producing Dreamforce every year. From what we can see, event management is a growing profession as corporations increasingly host their own events and users conferences.
The following are from well-known job sites with links to the site for Event Managers.