I agree... this guy has been part of ACORN for a while...
searching on his name with ACORN brings up this link where he is using the name “Memo Loaiza” and is just a little old ACORN chapter leader some time in the past.
Montezuma
7th Avenue - 7th Street Illini - Baseline Road
Chapter Leaders:
Memo Loaiza
looking up “Memo Loaiza” confirms that this is the same guy...
this link has his EVITE contact under “Memo Loaiza”, click on it and you get “FULL NAME: guillermo.r.loaiza”