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Quick answers
Did George Papayiannis co-found Vena Solutions?
Yes. Vena's own 10-year retrospective blog post, checked 2026-09-20, describes him as "a childhood pal of Rishi's who also worked at IBM as a software developer" and says "Rishi and George incorporated Vena Solutions Limited and officially launched the business in April 2011." BrainStation's 2017 office feature, checked 2026-09-20, separately calls him "Co-founder and CTO George Papayiannis."
What was his role at Vena?
Chief Technology Officer. Vena's 10-year blog post, checked 2026-09-20, says "George would oversee software development as Chief Technology Officer." BrainStation's February 2016 piece on Vena's values, checked 2026-09-20, also identifies him as CTO.
Is he still Vena's CTO?
Not confirmed as of today. Vena's May 25, 2021 newsroom post, checked 2026-09-20, says "Our co-founder and current CTO, George Papayiannis has spent 10 years leading these teams and believes our next 10 years of growth will be better served with him supporting rather than leading," and that he would stay on as CTO during the search for a successor. No source checked today states his current title, so none is claimed here.
What did he do before Vena?
He worked at IBM. Vena's 10-year blog post, checked 2026-09-20, describes him as someone who "worked at IBM as a software developer" alongside co-founder Rishi Grover.