Jon ‘Maddog’ Hall

Jon ‘Maddog’ Hall



Jon ‘Maddog’ Hall



Jon ‘Maddog’ Hall



Jon ‘Maddog’ Hall



Jon ‘Maddog’ Hall - Vargem Grande do Sul


Jon ‘Maddog’ Hall
Jon ‘Maddog’ Hall
Vargem Grande do Sul

Board Chair of the Linux Professional Institute and the Chairman Emeritus of WIT.com Inc – “Internet of Things - when security, privacy and longevity needs to get serious”