It follows feedback from a recent member priorities survey, which identified personalised support, simpler access to services and commercial value as members' top priorities for their consortium.
Advantage said the shake-up aimed to better meet members' needs at all stages of their journey with the consortium, from joining through to long-term growth.
The changes take place with immediate effect and see three members of the Advantage HQ team – Emily Shannon, David Moon and Sarah Miller – take on new roles.