2018 Sheimbob wasn't at Morgan.
Morgan's head of security was in 18 was Amin - see image.
Sheinbob like an artificial identity he has a linked in pages and a few video to support his credited employment - but it's a very poor job.
Intel agencies curate a bundle of shelf identities, give them careers, families and histories for eventual use in situations like this.
He is on the speakers list for a this conference and credited as Morgan's CSO
https://thesecurityhub.org/wp-content/uploads/2020/10/EVBG-COVID-19-R2R-Final-Agenda.pdf