Vasileios Karantzavelos, based in Irvine, CA, US, is currently a Director of IT at Friendly Franchisees Corporation, bringing experience from previous roles at Friendly Franchisees Corporation, Quants Engineering Inc., ACNT.com and Freelance at Computer Services. Vasileios Karantzavelos holds a 2016 - 2016 CompTIA Security + Certified in IT Systems, Networks Security and Risk Managment @ New Horizons Computer Learning Center Anaheim, CA. With a robust skill set that includes CompTIA A+, CompTIA Security+, Hardware, Servers, Operating Systems and more, Vasileios Karantzavelos contributes valuable insights to the industry. Vasileios Karantzavelos has 2 emails on RocketReach.