Our Instructors


George Dobrea – Founder and CEO of XEDUCO Institute (former name INTELPROF) , George is an IT security expert and a well-known technical instructor with 35 years of professional experience who delivered  consultancy and training programs for military, commercial or public organizations in more than 30 countries.
First time awarded by Microsoft  as a Most Valuable Professional (MVP) for Cloud and Datacenter Security in 2005 and by EC-Council as the ‘Instructor of The Year’ 2016, 2017, 2018 and 2019, he’s a MCT Regional Lead and a popular speaker at international conferences including Microsoft Ignite, TechED, Hacker Halted USA. Volunteering for large projects with international humanitarian agencies, George he’s  an active member of Rotary Club International.


Angela Dobrea Angela is an experienced MCT with a special focus on database management. Since her first MCT qualification in 1998 she has trainer and consulted thousands of students on database design, implementation and optimization across a wide range of industries. Angela’s background in engineering, accounting and project management have enabled her to successfully help clients through data management crisis or simply take their reporting to the next level. Her qualifications include MCSE for Data Platform, Business Intelligence and SharePoint Server. She has been active as a proctor and speaker at various TechEd and Ignite conferences in North America and Europe over the past 10 years. She activated in the MVP community for five years.

Tiago Costa is a Cloud Architect and Advisor and International speaker for the Microsoft Cloud. For the past years he has been architecting and developing solutions using Microsoft Azure for some of the fortune 500 companies. Due to his strong real-world experience, Tiago regularly teaches Microsoft Azure classes around the world. Microsoft Azure MVP since 2016 for his community efforts in promoting and sharing knowledge with the community. Tiago has 40+ Microsoft Certifications including MCT – Microsoft Certified Trainer and got awarded as MCT Regional Lead since 2016 every year. He loves diving into new technologies and to share his experience at conferences and training classes, but what excites him about his work is to help others exploring new frontiers in technology impacting their life’s, making the world a better place for everyone.

Sasha – Sasa Kranjac is a Security and Azure Expert, Architect and Instructor with more than two decades of experience in the field. Many years ago he began programming in Assembler on Sir Clive Sinclair’s ZX, met Windows NT 3.5, and the love exists ever since. Aside from Cloud/Security Architecture and consulting he delivers Microsoft, EC-Council and his own bespoke courses and PowerClass Workshops internationally. Sasha is a Microsoft Most Valuable Professional (MVP), Microsoft Certified Trainer (MCT), MCT Regional Lead, Certified EC-Council Instructor (CEI), and frequent speaker at various international conferences, user groups and events.