Craig Davis is a software engineer with a 20-year history in the web industry. He works at Help Scout, an organization that helps people bring personalized e-mail support to the enterprise. He has been a technical editor for many programming books and is proud to contribute to multiple open source projects. He is a competitive cyclist and runner and lives in New Mexico with his wife and their dog.

Pavel Tkachenko is an inspired self-taught computer wizard. Since childhood, he has had a passion for designing and developing websites and maintaining complex server architectures. He has created a number of original tools, such as HTMLki, Sqobot, and Sqimitive, to tackle common problems in a new way. He is also the founder of the Russian Laravel community and an active member of Russian publication networks such as Habrahabr.ru.

He has been freelancing since 2009, working on all sorts of websites built around PHP, Rails, Python, JavaScript, and MySQL. He used to lead his own team as well as work on his own. His views are often unconventional, but that's what allows him to work on high-profile projects with a custom approach. You can contact him via his page at http://proger.me.

Jitendra Zaa is Salesforce MVP with more than 6 years of experience in web technologies and cloud platforms. He is a manager at Cognizant technology solutions.

You can follow him @JitendraZaa or at his website http://jitendrazaa.com/.

Writing technical blog articles, learning new programming languages and frameworks, and sharing knowledge with others are some of his hobbies.

His experience and projects normally include Salesforce, Java, C#, ASP.Net, JIRA, and PHP-based applications.

Other books he has reviewed include Force.com Enterprise Architecture, Developing Applications with Salesforce Chatter, and Visualforce Development Cookbook, all by Packt Publishing. Right now, he is writing a book on design patterns in Salesforce with Packt Publishing.