David Fewster is from Wrexham, Wales in the U.K. and has worked in both Laos and Thailand. He was the CEO of Kanok Bannasan or OMF Publishers for 20 years and in 1997, founded Bridge Communications, a publishing agency that also publishes Santisuk English School's textbooks. David retired in 2001 but returned to Bangkok in 2017 to establish the Santisuk English Center (SCP) in Pakkret, Nonthaburi where he is currently Director.
  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 EILTS 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 since February 2018.