Alex Libby comes from an IT support background. He has been involved in supporting end users for almost 20 years in a variety of different environments. Currently, Alex works as a technical analyst and supports a medium-sized SharePoint estate for an international parts distributor in the UK. Although he gets to play with different technologies in his day job, his first true love has always been the open source movement, particularly, experimenting with CSS/CSS3, jQuery, and HTML5. To date, Alex has written nine books based on jQuery and CSS3, among others, for Packt. Sass Essentials is Alex's tenth book for Packt. He has reviewed several books and videos as well.