Chief Executive Optimist Mark Winer is interviewed on Photopod, a podcast about the photography industry and hosted by Neil Binkley. Be forewarned – grab a drink or a cup of joe – the interview is 2 hours long.
https://www.neilbinkley.com/photopod/2019/10/1/4-mark-winer-photographers-agent-at-the-gren-group-clients-apple-pepsi-crispin-porter-bogusky-wieden-kennedy-etc