I am a developer and project manager of CUBRID open source database. I often interact with CUBRID user community answering to their questions and helping them resolve CUBRID related issues. Beside the CUBRID project, I contribute to various open source projects like Hibernate, CodeIgniter, Yii, etc. Personally I am very interested in big data, scalability, and single page real-time Web apps. I enjoy reading (a lot!) and writing tech articles. I have written over one hundred blogs at http://www.cubrid.org/blog and even more tutorials.