Shin'ya Obara is a Professor of Department of Electrical and Electronic Engineering at Kitami Institute of University, Hokaido, Japan. He received B.S. in mechanical engineering from Nagaoka University of Technology, Japan in 1987, M.S. in mechanical system from Nagaoka University of Technology, in 1989 and a Ph.D. in mechanical science from Hokkaido University in 2000, while he was working in companies and academic organizations. He worked as a researcher in Department of Mechanical Science of Hokkaido University from 2000-2001. Dr. Shin'ya Obara joined Tomakomai National College of Technology in 2001 after an eight-year period in industry (as engineer and assistant manager for researches, in two different companies, namely Takasago Thermal Engineering Co., Ltd. and Aisin AW Co., Ltd. in Japan). He was associate professor of Department of Mechanical Engineering of Tomakomai National College between 2001-2007. Moreover, he was professor of Department of Mechanical Engineering of Tomakomai National College in 2008 and Professor of Department of Electrical and Electronic Engineering at Kitami Institute of Technology between 2008 to data. His research has been involved with power and heat energy and operation optimization analyses of energy compound systems and energy efficiency, microgrid technology, energy network system with renewable energy sources. Dr. Obara is author and co-author of over 90 papers on a national and international journal. Arif Hepbasli, having the work life philosophy which is to attain Industry (I), Profession Institutions (P) and University (U), Balanced IPU simultaneously, is a Full Professor of Mechanical Engineering at Ege University, Izmir, Turkey. He received B.S. (first class honor) in mechanical engineering from Selcuk University (SU), Turkey in 1980, M.S. from Istanbul Technical University of Istanbul (studied one year at the German-Preparation Class of Institution of Higher Education for Foreign Languages, Technical University of Istanbul), Turkey in 1985 and a Ph.D. in mechanical engineering from Selcuk University in 1990, while he was working in industry. He worked as a research assistant in ME Department of Selcuk University from 1982-1986. Dr. Hepbasli joined Ege University in 1996 after a ten-year period in industry (as head engineer, assistant manager for investments and maintenance manager, in three different companies, namely DESA Combustion Systems Manufacturer, AKZO-KEMIPOL Paint Factory and SIMPLOT & BESIKCIOGLU French-fried Processor in Izmir) and a one-year period at Izmir Branch Office of Chamber of Mechanical Engineers as a consultant. He was Vice Director of Solar Energy Institute of Ege University between 1997-2000 and EBILTEM (Ege University Science Technology Application and Research Center) between 2000-2001. His research has been involved with energy, exergy and exergoeconomic analyses of energy systems, energy efficiency and management, fluidized bed combustion systems, ground-source heat pumps, and utilization and potential of renewable energy sources. Dr. Hepbasli is the first Certified Industrial Energy Manager of Turkey (having a certificate from JICA, Japan) as a university lecturer, while he is author and co-author of over 320 papers on a national and international basis. He has chaired and co-chaired many national and international conferences, symposia, workshops and technical meetings. He worked as a Visiting Professor between 2004-2005 at the University of Ontario Institute of Technology in Canada. He has served as a consultant in cases involving his research area and is also a member in the International Advisory Board of five journals on the SCI basis, namely "Energy Sources (Taylor & Francis)", "International Journal of Green Energy", "International Journal of Energy Research (Wiley)", "International Journal of Exergy" and "Energy and Buildings (Elsevier) ".