Electrical engineer (DEng) by formal education —
and a PhD dropout in Graph theory.  My professional track
included 4 years of technical consulting, 3 years of technical
architect work,  2 years of technical product management and
13 years senior R&D engineering work. During this tenure,
I got focused on software tech, math modelling, domotics,
cryptography, energy management systems , mobile techware,
SIM cards, IOT applications and Electronic Fund Transfer systems.