**About the Editor**

#### **Attila R. Imre**

Attila R. Imre received his Master degree in Physics from Eotv ¨ os University, Budapest, in 1990; ¨ four years later, he obtained a PhD from the same institution. He spent several years in various US and German universities, such as the University of Tennesee, Johannes Gutenberg Universitat¨ Mainz and Universitat zu K ¨ oln. Meanwhile, in Hungary, he had various positions in the Atomic ¨ Energy Research Institute. Later, this institute became part of the newly formed Centre for Energy Research, where, recently, A. R. Imre has become a Scientific Advisor; he is also the Head of the Scientific Council of the research centre. After obtaining the Doctor of Science title from the Hungarian Academy of Science in 2015, he was appointed as Full Professor of Energy Engineering in the Budapest University of Technology and Economics; presently, he is the Head of the Energy Engineering Department. His present research topics cover various fields of energy production and storage, including the utilization of low-temperature heat sources (such as geothermal, solar and industrial waste heat) by ORC and similar methods and the application of power-to-gas technologies in energy storage. He has authored around 100 papers in various international journals.
