Iain Stewart is professor of Geoscience Communication at the University of Plymouth and Director of its Sustainable Earth Institute. His research interests are in communicating geohazards, geo-energy and Earth science for sustainable development. 

His science communication expertise has been built on a 15 year partnership with BBC television presenting popular natural history documentary programmes, including ‘Earth: The Power of the Planet’; ‘Earth: The Climate wars’; ‘How Earth Made Us’, ‘How To Grow A Planet’, ‘Rise of the Continents’ and ‘Planet Oil’. Alongside being awarded an MBE, Iain has received a public service medal from the AAPG and is a UNESCO Chair in Geoscience and Society.

Liz Schwarze is vice president of Global Exploration for Chevron Upstream, based in Houston, Texas. In this role, she is responsible for Chevron’s worldwide exploration program and chairs the company’s Global Exploration Leadership Team. She is also a member of Chevron’s Management Committee and Upstream Leadership Team.

Schwarze joined Chevron in 1990 as a development geologist in the Gulf of Mexico and has subsequently held positions of increasing responsibility in the areas of exploration, reservoir management, strategy and planning and technology. She has had assignments in multiple locations in the United States, in Venezuela and in Singapore and has worked on projects around the world.

Schwarze holds a bachelor’s degree in geology from Duke University, a master’s degree in geology from The University of Texas at Austin and a master’s in business administration from Tulane University. She is a member of AAPG, SEG and SPE.