1. Korean English Tutor of ages 10 to 18 years old at the ESL Department located in Navy Base, Baguio City last August- October 2010. (man to man)
2. Korean and Japanese English tutor of ages 15 to 40 years old at BECI located in Greenvalley, Baguio City last January to March 2013. (man to man)
3. Korean English tutor of ages 10 to 37 years old (including group class) at Passion English (before CCCE) located in Jose de Leon Bldg., Session Rd., Baguio City last June 3, 2012 to January 2, 2013. (online)