The Global System Mobile Association (GSMA) provides global industry specifications. The GSMA created the Industry Specifications Approving Group (ISAG) as the oversight and approval body for all Industry Specification work. ISAG consists of senior representatives of the industry and includes service provider and non-service provider GSMA members. Chief Technology Officer for iconectiv, Chris Drake, has been appointed as one of a limited number of non-Service provider members of the group. He said it was an honor to be nominated by his peers and appointed to ISAG.
Source: https://www.helpnetsecurity.com/2021/03/08/iconectiv-gsma-isag/