Odd connection. Lesley Podesta is the name. Cannot find connection/relationship to John, but she is the head of a non-profit supposedly protecting children from violence/bullying in Australia. Very anti-gun. Very.
This article specifically mentions 4chan in it. All coincidental.
http://www.firearmownersunited.com/2017/06/19/alannah-and-madeline-foundations-lesley-podesta-plays-the-victim-card-when-she-doesnt-have-an-argument/