You can change your name, email address and update your password from within the My Account section of the FooEvents website.
Go to FooEvents.com > My Account > Account Details to edit your profile settings.
At any time you can edit your billing details which includes your full name, company details, billing address, Tax/VAT Number etc. These details will then be included in all future invoices.
Go to FooEvents.com > Billing Address > Edit and modify your billing details as needed.