Pentcho Valev has published and participated in dissident science groups for the last couple of decades with papers he has written published on http://gsjournal.net/.
You can find a list of downloadable papers at: http://gsjournal.net/Science-Journals-Papers/Author/351/Pentcho,%20Valev
Not much information is known about Pentcho Valev. It could be a pseudonym or pen name he or she is using. Their last paper is listed as being 2008.