If you are part of an org in the US (PSL, DSA, FRSO et al), I think this is just the sort of thing you should be helping to organize for in your community.
Are any of you part of orgs or know orgs that are doing this work? If so can you mention them here?
Google: [insert local city/metropolis/etc here]
Pick one:
That should get you started finding the folks near you doing praxis.