Prof. Dr. Bekir Salih was born in Trabzon, Turkey in 1958. He received his B.S., M.S. and Ph.D. degrees from Hacettepe University, Turkey and was a postdoctoral fellow at Catholic University of Nijmegen in the Netherlands, Swiss Federal Institute of Technology ETH Zurich, Switzerland and Eötvös Loránd University, Hungary. After completion of his research mainly in the field of mass spectrometry, he continued his academic career as a faculty at the Faculty of Science in the Hacettepe University and he became Professor of Chemistry in 2001. He published more than 130 articles in his research fields including Mass Spectrometry, chromatography, polymers and their different applications. ________________________________________________________________________ Co-Editor of the book is Dr. Ömür Çelikbıçak. Dr. Ömür Çelikbıçak was born in 1978 in Konya, Turkey. He received his Diploma (M.Sc.) and his Doctorate (Ph.D.) in Chemistry, in 2005 and 2011, respectively, both from the Hacettepe University, Turkey. He started his academic career as a research assistant at Hacettepe University, Chemistry Department under supervision of Prof. Dr. Bekir Salih in 2002. From 2008-2009 he was a research scholar in the mass spectrometry research laboratories at the Chemistry Department of The University of Akron, OH. Since 2011 he has been working at Hacettepe University as a post doctoral researcher. His research interests focus on the development of novel mass spectrometry methods and their chromatography coupled applications for the study of structures, interactions, fragmentations and detection of the various molecules in the gas phase.