Clients who have attended training programs by George Lekatis includes major corporations, institutional and individual clients, private companies, market-leading multinational companies and financial institutions, not-for-profit organizations, associations, banks, organizations.

The following is a list of some companies which George Lekatis has trained their staff.

(ISC)2
ATOS ORIGIN
Axis Consultants Ltd
Bank Of Greece
Commercial Bank Of Greece
COSMOTE (mobile operator)
Delta Dairy SA Holding
EKO-ELDA (Oil Refinery)
Emirates Airlines
Emirates Bank Group
Global Value Servuces
IBM Global Services
INTERAMERICAN
JPMorganChase
Lockheed Martin
LogicaCMG CLEF
MAERSK Data Transport
Microsoft Hellas
Ministry Of Agriculture
Ministry Of Press
Ministry Of Telecommunications
MIS Institute
MOTOR OIL (Oil Refinery)
National Bank Of Greece
National Organization Of Economic Crime (Sdoe)
Ote - Hellenic Telecommunications Company
Public Power Corporation (Deh)
STET Telecommunications SA
Telecom Anti-Fraud Association (EFTA)
The Greek Army, Navy, Air Force, Police
TIM (mobile operator) / STET Hellas Telecommunications SA
TITAN S.A.
TYPET (Health Fund of the National Bank of Greece)
VODAFONE

Hear what some participants have to said...

"Dear Mr. Lekatis,
I would like to express my pleasure and satisfaction for all your good work in the Security Awareness Training given to the entire company.
My Best Regards"
Nicola Gatti
Secretary General, STET Telecommunications SA


"Dear George
Thank you for participating in the Forum of Information Warfare.
We are pleased that the event was a great success and we are glad that you could be a part of it.
We are enclosing your evaluations.
We look forward to working with you again."
Jean Hey,
Vice President, Conference Division, MIS Training Institute


"Very informative. I was able to ask questions and get answers."
Richard Jones, Lockheed Martin
(Forum of Information Warfare, Washington DC, 2003)

"George,
I want to thank you for Excellent CISSP preparation course in Milan. Your experience and your courtesy is unusual.
Please feel free to write me for any need."
Claudio Lupi
Business Compliance & Risk Management IT Security
IT Security Architect
Global Value Services

"Hello George
A quick note of thanks for your insight and patience in the recent CISSP boot camp.
Having just returned from my holiday I find in my emails a note from ISC2 advising me that I had passed the exam!
Your advice in how to approach the exam was invaluable on the day. Thank you again!
Best Regards"
Danny
JPMorganChase

"Hello George,
Just for your records, I also have passed. I think your SSCP exam teaching score is 100%.
Thank you for your lessons at Heythrop Park."
Adrian van Reijn
Security Systemspecialist
Bank Sarasin & Cie AG"

"Excellent instructor"
Harpal Singh
Emirates Bank Group


"Excellent knowledge of subject and presentation skills"
Rohit Kumar Goel
Emirates Airlines

"Congratulation for the excellent presentation and the rich content. During the 80 hours of this excellent 10-days seminar we had the opportunity to understand risks and to learn ways to protect our organization.
The examples and the labs were really important for understanding the vulnerabilities of networks and the countermeasures"
Michael Mavis, Head of OTE Security and Telecom Fraud division, Chairman of the Hellenic Fraud Forum

"Your speech was really valuable for the conference. You gave the audience the ability to understand the risks and vulnerabilities of current network implementations to the
public and the private sector"
Symeon Tsomokos, Organizer of ExpoSec, – 1st North European Exhibition and Conference, Athens, Helexpo

"Your presentation was really important and necessary. You gave the audience many interesting examples to be aware of the risks and vulnerabilities of existing networks. Your security awareness program changed the way managers work with their computers in our company. You made my work easier."
Dimitris Ligeros, Education Manager, Motor Oil Refinery