Iain Stewart is the presenter of the BBC 2 series Journeys from the Centre of the Earth and Earth - The Biography and more recently BBC's The Rise of The Continents.

Iain is a Senior Lecturer in Geodynamics, School of Earth, Ocean and Enviromental Sciences in the Department of Geology at the University of Plymouth. He graduated in 1986 with a degree in Geology & Geography from Strathclyde University in Glasgow and moved to the University of Bristol to carry out doctoral research on the geology of earthquakes in Greece and Turkey.

After finishing his PhD in 1990, Iain lectured in geology at Brunel University in west London, then left in 2002 to take up an Honorary Research Fellow post at Glasgow University while getting the Journeys... series off the ground.

His main research interests are in the broad area of Earth hazards and natural disasters, particularly in terms of identifying past major earthquakes, tsunamis and volcanic eruptions in the Mediterranean region. Iain's geological research has featured in two BBC Horizon specials - The Search of Ancient Helike and Earthquake Storms - and he was the geology member of the science team in the BBC Two series Rough Science.

In 2007 Iain was in a four part BBC 2 series Earth The Biography, which told the story of how the great geological forces of the air, sea, ice and volcanoes shaped our planet.

In 2010 Professor Stewart was back on home turf, this time with, Making Scotland's Landscape. Another BBC documetary where Iain looked at how Scotland has changed with centuries of human activity.