The Principals of Gondwana Dreaming Tours are Monica Yeung and Tony Stephenson, both qualified geologists.  They set up the tour company in 1991, after frequently finding themselves explaining the wonders of the natural world, specifically earth science, to fellow travellers while on holidays.  Monica and Tony specialise in organising tours for small groups of people who share an interest in the natural world.  The focus of all their tours is the environment as a whole, from the geological origins of a region, to each area's unique flora and fauna.