UN-certified GM Level Rankings. Based only on years of experience.

GM0 = Aspirant Game Masters are Level 0. Those with less than 2 years GM experience, and no GM certification from RpgCert.com

GMI = Novice Game Masters are Level 1.Those with 2+ years GM experience, less than 6 years, and no GM certification from RpgCert.com

GMII = Acolyte Game Masters are Level 2. Those with more than 5 years experience, less than 11 years, and no GM certification from RpgCert.com

GMIII = Guardian Game Masters are Level 3. Those with more than 10 years, and less than 21 years, and no GM certification from RpgCert.com

GMIV = Keeper Game Masters are Level 4. Those with more than 20 years experience, less than 30 years, and no GM certification from RpgCert.com

GMV = Veteran Game Masters are Level 5. Those with more than 30+ years experience, and no GM certification from RpgCert.com

 

Certified GM Level Rankings from RpgCert.com

CGMI = Certified Level 1 Game Master (Initiate). Those that have passed the level one certification requirements and tests from RpgCert.com

CGMII = Certified Level 2 Game Master (Hero). Those that have passed the level two certification requirements and tests from RpgCert.com

CGMIII = Certified Level 3 Game Master (Champion). Those that have passed the level three certification requirements and tests from RpgCert.com

CGMIV = Certified level 4  Game Master (Master). Those that have passed the level four certification requirements and tests from RpgCert.com

CGMV = Certified level 5 Game Master (Grand Master). Those that have passed the level five certification requirements and tests from RpgCert.com