Make sure any classes you go to arnt anything to do with dan wait, he ran a jkd and bjj gym in Lincoln, and faked the majority of his qualifications in said arts.
Usually answers emails after a few days. Look up the Facebook group he may check that more often, people on there know him so they will pass it onto him.
https://m.facebook.com/pages/Lincoln-BJJ/181445325206093?ref=hl It takes a few days for anyone to reply to emails. Hit up their facebook, most people reply quicker on there.