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Justin S.(Sung Wook) Jung has worked in the technology industry since 1994. Starting as a System Administrator at Dongguk University, they then worked as a Web Developer for Business Network in 1997. In 1998, they worked as a Network Security Specialist and Visiting Lecturer for Linux and Network Security at BIT Computer Co., Ltd. In 1999, they became a Senior Network Architect at HB Internet (HB Telecom). In 2000, they became the Leader of Mobile Development and Engineering Team at MCLICKPLUS. In 2003, they were the Head of Technology for Mobile Advertising Solution at ONOFF KOREA. In 2005, they founded Netkiller Co., Ltd. as the CEO/Founder. In 2013, they founded Collavate, Inc. as the CEO/Founder and the company is ISO 9001 certified. In 2007, they founded Netkiller Inc. as the CEO/Founder and the company is ISO 27001 certified.

Justin S. (Sung Wook) Jung has a history of education that spans over two decades. From 1993 to 1998, they attended Dongguk University, where they earned a Bachelor's degree in Physics. Justin S.(Sung Wook) then went on to attend Ajou University from 2005 to 2007, where they earned a Master of Business Administration - MBA in Business Administration and Management, General. Most recently, from 2015 to 2023, they are attending Stanford Continuing Studies, studying Finance (Letter Degree), Enterprise Cloud Computing, and Artificial Intelligence and Machine Learning.