Hasin Hayder, graduated in Civil Engineering from the Rajshahi University of Engineering and Technology (RUET) in Bangladesh. He is a Zend-certified Engineer and expert in developing localized applications. He is currently working as a Technical Director in Trippert Labs and managing the local branch in Bangladesh. Beside his full time job, Hasin writes his blog at http://hasin.wordpress.com, writes article in different websites and maintains his open-source framework Orchid at http://orchid.phpxperts.net. Hasin lives in Bangladesh with his wife Ayesha and his son, Afif.