The Holla Agency to join the CMO Summit 2013 taking place at the RACV Royal Pines Resort, Gold Coast, Queensland, Australia, 12-14 August 2013. marcus evans is pleased to announce the participation of The Holla Agency as a Sponsor at the CMO Summit 2013 taking place at the RACV Royal Pines Resort, Gold Coast, Queensland, Australia 12-14 August 2013.