International energy security, public policy, and investment expert. Former: Lead Energy Specialist, World Bank; Principal Energy Adviser, UN; Chief Advisor for the Minister of Energy of Ireland; Lead Climate Change Negotiator for the EU on low-carbon technology. Currently: Director Payne Institute for Public Policy, Colorado School of Mines. Holds senior research affiliations at Cambridge University, University College Cork, and Oxford University. Member of Council on Foreign Relations, Member of Irish Climate Council. Author of: Analytical Methods for Energy Diversity and Security.