Drag-and-select your name within the orange box.
Go to Edit > Select All, then Edit > Copy.
Open a new browser window and log into Gmail.
Click the gear icon to open Gmail Settings. Then click the button labeled See all settings at the top.
Scroll down to Signature (it is near the bottom of the Settings page). Click + Create new. Name it Rapid KC or Rapid Intermodal, depending on the signature you are using.
Right-click within the signature editor, and choose Paste.
From the drop-down options just below the signature editor, choose your new signature for both New Email Use and On Reply/Forward Use.
Scroll to the very bottom of the Settings page and click the Save Changes button.