Any sort order set on the People List will persist to the People Gantt. However, you can also sort directly on the People Gantt by Name, Title, and Next Availability clicking on the Sort By dropdown.
You can search for any field associated with a person, including their Title, using the Search bar.
Filters can be applied directly from the People Gantt by selecting the button.
The following quick filter checkboxes are also available in the upper-right hand corner:
Any filters applied on the People List view carry over to the Gantt view.
Filters can be cleared by clicking the X on the filter chips.
Under the Name and Title column, you can also filter by Title by clicking on the title filter icon