To change your email address or password, just click on the Settings page from the user dropdown menu:
Next, click the Update Your Account Info button.
Now, just enter the new email you'd prefer in the top field, enter your current password for security purposes, and then click the Update my Info button at the bottom.
To update your password, just enter your current password, the new password you'd like, and then re-enter your new password for confirmation and click Update my info.
If you've forgotten your password, you can easily change it by going to SalesLoft.com, then clicking on the Don't Have Your Password? link: