Choi Nak-jin majored in journalism at Chung-Ang University and earned a master's and doctorate in journalism from Chung-Ang University. He has also worked as a researcher at the Jeju Research Center, a researcher at the University of Tokyo, and a professor at Chonbuk National University. His books include "Internet Newspaper," "Regional Newspaper Policy and Support Effects," and "Six-Day Wall Newspaper."
His thesis is ‘How the Local Media Deal with the Opinions of Residents in the Scheduled Area for the Jeju Second Airport? : Focusing on the Comparison between News Reports and Interviews with Residents’, ‘A Study on the Characteristics and Functions of the “Reader’s Column” of Jeju-Shinbo in the 1950s’, ‘Comparative Analysis of the Standpoints between Korea’s Conservative Press and Progressive Press: Focused on Reports related to THAAD’ ‘A Research on the Jeju Newspaper Industry's Crisis of Losing its Superior Position’ ‘A Comparative study of the ‘Ordinance on Supporting Local Newspapers’’.