Sorry about this, we are in read only mode. You can browse the site as normal but you won't be able to sign in or make changes.
Early stage venture capitalist.
bio from Twitter
John Vrionis has not yet claimed their profile.
Are you John Vrionis?
Sign in with Twitter to claim your profile and make changes.
20th–21st June 2012
16th–18th April 2012
See John Vrionis's full speaking history
2 events spoken at
2 events attended
Follow @lanyrd on Twitter.
Lanyrd on Facebook
+ Cookies · Email us