Hans-Holger Rogner has been worrying about energy and the environment for virtually all of his professional career. Born in Tübingen Germany in 1949 and educated via a program which took him through a trajectory of studies and degrees in industrial engineering, economics and systems analysis, and ending up with a PhD in Energy Economics at University of Karlsruhe. His career really got under way with a long term association with the International Institute for Applied System Analysis (IIASA) in Austria in the area of global environmentally compatible energy strategies, technology dynamics and climate change, where he started out as a Research Assistant and ended up with him creating and leading several path breaking energy programs aimed at providing counsel for government and the main actors in the energy sector. He has also worked as an advisor, consultant, university professor, and team organizer in a number of countries around the world. Utility and other private sector energy business underpin their corporate planning and investment strategies with the comprehensive energy systems analyses that he has developed.

As you might well expect, after all this original work, discipline and world level contacts and exposure (including to criticism and opposing views), Holger has emerged as a world level expert in the application of systems analysis to long-term energy demand and supply issues and their underlying driving forces, i.e., economic development and growth as well as technology and social change. His work focuses on the identification of techno-economically feasible paths to sustainable energy systems. Typically, his analyses involve the entire energy system from resource extraction to the provision of energy services. Options are viewed through the lenses of technology and innovation as well as economic, environmental, socio-political and international compatibility.

Today Rogner runs the Planning and Economic Studies Section of the International Atomic Energy Agency (IAEA) in Vienna, where his concern is not selling nuclear energy to anyone who will take it, but in helping the developing countries develop more balanced approaches to their policies and choices, with attention not only to today's needs and priorities, but also to the longer run impacts on the environment, resources, and health and safety. He also continues to collaborates closely with IIASA in the area of global environmentally compatible energy strategies, technology dynamics and climate change. So, as you can probably tell, this is not a passing interest.

Selected Keywords:
Energy economics, energy systems analysis and mathematical modelling (optimisation, simulation), energy-environment-economy interaction, environmental and health impacts (externalities) of energy production and use, energy system development and planning for both industrialized and developing countries, district energy systems, energy efficiency, life styles, dynamics of technology (innovation cycles and technology diffusion), energy resource economics, technology impact analyses, aspects of regional development and economic growth, capital requirements and finance of infrastructures.

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