Kanghwa Choi is a Full Professor at the College of Business Administration, Hansung University. His research emphasis includes the service management and performance measurement of various industries. His articles have appeared in leading academic journals such as Journal of Operations Management, European Journal of Operational Research, Supply Chain Management, Journal of the Operational Research Society, Tourism Management. Kanghwa Choi is the corresponding author and can be contacted at: khchoi@hansung.ac.kr