Mazin Ahmed Afif, is a substitute teacher since 2006, he writes and edits his articles personally. He is also an author, and he is currently writing in authorea since 2015. Url: https://www.authorea.com/users/65781-mazen-afif/
He is a member of OpenCon London 2017.
Or to: firstname.lastname@example.org.
and his articles have appeared in figshare:
His website: https://mazenafif.wordpress.com/
His google+ profile: http://profiles.google.com/110836205748404455607