Callueng’s interest is in promoting the mental health well-being of students. This served as the groundwork for his seminar-workshop where he discussed the comprehensive and coordinated model involving three interrelated settings such as the hospital based behavioral clinic, private facility, and public school.
Callueng earned his master’s and doctoral degrees in School Psychology at the University of Florida. He co-authored several publications. Likewise, he was a recipient of scholarship and research awards granted by international associations. He also holds positions in a number of professional organizations in Psychology.