Associate Professor Yannis Dimakopoulos was appointed as an Associate Editor of the Journal of Petroleum Science & Engineering of Elsevier Publishing House. The JPSE is an international, peer-reviewed, Journal. The objective of the Journal of Petroleum Science and Engineering is to bridge the gap between the engineering, the geology and the science of petroleum and natural gas by publishing explicitly written articles intelligible to scientists and engineers working in any field of petroleum engineering, natural gas engineering and petroleum (natural gas) geology. An attempt is made in all issues to balance the subject matter and to appeal to a broad readership. Its impact factor is 3.708.