He attended successfully all national schools for his Branch, the Tactical Info (transitioning) course in Fort Huachuca, Arizona, U.S.A. and is a graduate of the Hellenic Joint War College as well as of the NATO Defence College (Rome).
Major General Kleanthis Karatsin has been decorated with the following:
- Commander of the Order of Phoenix.
- Officer of the Order of Honor.
- Medal for Military Value B’ Class.
- Foreign Country Medal in 2009.
- Army Meritorious Command Commendation Medal, A Class.
- Staff Officer Service Commendation Medal, A Class.
- Citation in 2003.
He speaks English fluently. He has two sons, Dimitris, 20 and Alexandros 19 years old.