The email you used to log into Conducttr is used as a destination for all test messages and for any configuration emails. Similarly the Contact No. entered here should be a mobile number (cellphone) as this will be used when testing a Phone account.
The profile image is used to recognize you when collaborating with others.
You - your settings
The first time zone you configure here will be used as the default for the creation of all time-based triggers. Hence, if you're creating many Date & Time triggers for a Character with a different time zone to yours, you may find it quicker to change your time zone on this profile page and then change it back after you've created all the triggers.