Im Looking for a hack...

[Jay...]

That will put members into a certain group depending on selections in their profile, i.e Gender.

any ideas?

[peterska2]

Two modifications that will do this, both by amykhar

Primary Usergroups (https://vborg.vbsupport.ru/showthread.php?t=82992)
Secondary Usergroups (https://vborg.vbsupport.ru/showthread.php?t=82993)

[Jay...]

Thanks Kerry-Anne!