Deletion of Mike Beltzner

Comment: per . As observed above, passing references do not amount to demonstrable notability
Stance: delete
Cited policy: Wikipedia:Notability (WP:BIO)

Comment: per obvious notability according to  and their work at Firefox falling under "The person is known for originating a significant new concept, theory or technique" and "The person has created, or played a major role in co-creating, a significant or well-known work
Stance: keep
Cited policy: Wikipedia:Notability (WP:CREATIVE)