Organizing Images on People Page

On our “FAS Dean’s Office” page, I have included images and bios for all the different members of the office. Each member is also assigned a “Person Type,” which is a field that I added to each person’s basic information (the options for this field are “Dean,” “Dean’s Office,” “Dean’s Office Staff,” “Academic Affairs,” “Diversity and Faculty Development”  and “Divisional and Faculty Leadership”). The bios are properly sorted according to people type and fall under the appropriate heading. However, I want to rearrange the order in which these “people-type” headings appear. As of now they seem randomly distributed with many gaps of blank space in the overall page, and ideally, I would want them to be closer together and arranged so that “Divisional and Faculty Leadership” as well as “Dean’s Office” are next to one another in their respective columns.