Mark Coleman is a full-stack developer focusing on the latest in web technologies. He enjoys learning about new technologies. He also likes to share his knowledge by attending local development groups and blogging (www.kramnameloc.com) about programming topics. When Mark is not absorbing everything to do with development, he enjoys photography and anything pertaining to The Simpsons and is a part-time craft beer/bacon aficionado.

Pavlo Iuriichuk is a frontend lead developer who works at GlobalLogic and has about 7 years of frontend development experience on various platforms, including those on mobile and desktop. He graduated from Kyiv Polytechnic Institute 5 years ago with a master diploma in applied mathematics.

He has previously worked for various outsourcing companies in Ukraine, including Ciklum, Cybervisiontech, and 2K-group.

Previously, he has reviewed HTML5 and CSS3 Transition, Transformation, and Animation, Packt Publishing.

Mourad Mourafiq is a software engineer and data scientist. After successfully completing his studies in applied mathematics, he worked in an investment bank as a quantitative modeler in the structured products market, specializing in ABS, CDO, and CDS, after which he worked as a quantitative analyst for the largest bank in France.

After a couple of years in the financial world, he developed a passion for machine learning and computational mathematics, and decided to join a start-up that specialized in software mining and artificial intelligence.

He was also involved in reviewing Python for Finance and Getting Started with Python pandas, both by Packt Publishing.

Arvind Ravulavaru is a full-stack consultant with over 6 years of experience in software development. For the last 2 years, he has been working extensively on JavaScript, both on the server and client side. In his spare time, Arvind likes to experiment with new and upcoming technologies. He also blogs at http://thejackalofjavascript.com.