Learn to create a signature from scratch, where you will be able to include any person's detail to it, give your branding, include your logo, add a banner, etc
You can create templates that are going to be the basis for the signatures that you create. This helps you to save time since when creating a new signature you don't need to start from scratch, you can use a template. Working with Templates 301 - ...
Make sure that all your staff has the proper signature applied, with Zumpul you can set a schedule where the signature will be applied automatically on a timeframe that you choose: weekly, monthy, etc
Sometimes you don't have the need to assign a signature to a whole bunch of people, instead you need to apply it to a single person, Zumpul gives you that ability, just search for the person, review the details and apply the signature.