Sebastian Montabone is a computer engineer with a Master of Science degree in computer vision. He is the author of scientific articles regarding image processing and a book, Beginning Digital Image Processing: Using Free Tools for Photographers.
He uses many open source software and strongly believes in the open source philosophy. Embedded systems also have been of interest to him, especially mobile phones. He created and taught a course about development of applications for mobile phones, and has been recognized as a Nokia developer champion.
If you could summarize all his areas of interest in a single concept, it would be ubiquitous computing. Currently he is a software consultant and entrepreneur. You can visit his blog at http://www.samontab.com where he shares his current projects with the world.