Selector for the Users in a Defined Group

When creating a custom field, the option to designate an Input Control type has the following Selectors (predefined lists):

• Department Selector
• Group Selector
• Project Selector
• Project Template Selector
• Project Type Selector
• Resource Type Selector
• User Resource Selector
• User Selector

Could a Selector be created for a specific group of users that has been created and given a Group name?  The Group Selector only selects the Group Name, but could a Group Users Selector be predefined to include the list of individual users within that predefined Group to choose from?

For example, I have a Group with all of my Executive Team Members.  Could an option for an input control Selector be created using the list of all of the members within that group?