"The theme for the conference is quality, environment, health and safety. This will be the first major international platform where the gurus from those areas will be assembling to speak about their journey and to share their knowledge to set new standards.
"It gives us a chance to promote Rotorua in a big way. Most of the delegates are staying on a few more days after the conference to take in the look and the taste.
"A number of them have said they want to come back here with their families."
He said the Lynmore Primary pupils would carry the flags of each country the delegates were from on stage.
Events and Venues Rotorua key account manager Warren Harvey, who has been helping Mr Fenn put the event together, said the biggest thing for Rotorua was the extent of the countries that were coming.
"We don't always get 21 countries coming to Rotorua to experience our culture, this is huge for the economy of Rotorua."