Yes,
look on with FTP: /components/com_comprofiler/plugin/templates/"your template"/template.css
search for:
cbUserList
and change this line:
"table#cbUserTable th { padding: 5px; font-weight: bold; }"
to this:
table#cbUserTable th { text-align: left; padding: 5px; font-weight: bold; }
pretty easy
To be honest: Every browser display this list in a different way. So there is no problem to add this command. Now all browsers will use left allign table headers.