David ZientaraDavid Zientara is a software engineer living in northern New Jersey. He has over 20 years of experience in IT. In the mid-1990s, David became the lead software engineer for Oxberry LLC, a digital imaging company headquartered in New Jersey. In this cpacity, he played a major role in developing a new software package for the company's equipment. In the mid-2000s, David took an interest in computer networking, an interest that led him to learn about m0n0wall and, eventually, pfSense. David currently is employed with the Prasad Corporation in a consulting position and is also the author of Learn pfSense 2.4 and Mastering pfSense 2.4, also available from Packt Publishing. Read More Read Less