Best Author of the year 2018 - Siavash Falahatkar Siavash Falahatkar September 2019 Siavash Falahatkar is Professor of Urology at Guilan University of medical science. He is the pioneer of Complete Supine PCNL (csPCNL) in the world. Since 2007 he performed csPCNL and introduce the technique with many benefits in several scientific papers. As an innovation, the csPCNL has absorbed the attention of many authors throughout the world, so many of them cited his technique in their published articles. Professor Falahatkar was chosen by editorial board of Iranian Text Book of Urology to write a new chapter entitled innovative techniques in PCNL. He has published more than 70 scientific papers in international peer reviewed journals. He had also written three books on urology in Persian: Practical urology, Urology Questions and Answers, Uroradiology. He set up the PCNL and Advanced urolaparoscopic surgeries for the first time in Guilan Province, in Iran. He is Director of Urology Research Center, Guilan University of medical science since 2005. Now He works in Razi Research & Educational Hospital, Rasht, Iran. Dr. Falahatkar was chosen as the best author of the year 2018 by the editorial board of the Urology Journal for authoring a review article with highest citation in the JCR 2018 report of the Urology Journal.