Rhesa Gravino earned a B.S. in Elementary Education Major in English from Misamis University, Ozamiz City, Philippines, an M.A. in Religious Education from Cebu Graduate School of Theology, Cebu, Philippines including a TESOL (Teaching English to Speakers of Other Languages) Certificate. She has been teaching English both in the public and private schools in the Philippines since 2000. She has taught IELTS Class in China in 2008. She was a School Principal in one of the universities in central Philippines before she decided to teach English at Santisuk in February 2018.

Wanida Sribunruang (Awn) has a certificate of completion in learning English at the Santisuk English School, Bangkapi. She has a BA in Business Administration (General Management) from the Rajapark Chayaphum Institute. She also has a Diploma in Accountancy and a Dual Vocational Education (DVE) Diploma in Computer Management from the Bangpakong Industrial and Community Education College. She has taught children for 10 years and is presently office administrator at Santisuk Pakkret, where she also teaches Basic courses.