He is currently a Full Professor in the Department of Accounting Information at Chihlee University of Technology, Taiwan. He earned his Ph.D. in Electrical Engineering and Computer Science from Case Western Reserve University, Ohio, USA in 2000. In 2007, he obtained a professional certificate in Information Security, specifically Certified Ethical Hacker (CEH), from EC-Council (membership ID ECC921640). He offers extensive consulting services on network management practices and has engaged with numerous clients in this capacity.