Well, I think I was blessed to have a lot of good teachers in my life, so that I have to be grateful. Below is a sort of them:

Mrs. Susan (My Playground Teacher)
Mrs. Puji (My Kindergarten Teacher)
Mrs. Ratna (My Kindergarten Teacher)

Mrs. Dewi (My 1st Grade Elementary Teacher)
Mrs. Linda (My 2nd Grade Elementary Teacher)
Mrs. Inna (My 3rd Grade Elementary Teacher)
Mrs. Errie (My 4th Grade Elementary Teacher)
Mrs. Lidya (My 5th Grade Elementary Teacher)
Mrs. Heni (My 6th Grade Elementary Teacher)

Mrs. Rita S. Nurjana, A.Md (My 1st Junior High Teacher)
Mrs. Agnes Ika Istimeijanti, Dra (My 2nd Junior High Teacher)
Mrs. Liani Setiawati, S.Pd (My 3rd Junior High Teacher)

Mr. Timotius Chandra, Drs (My 1st Senior High Teacher)
Mr. Abadi Ginting, Drs (My 2nd Senior High Teacher)
Mr. Tjang Kheng Hui, Ir, S.Pd (My 3rd Senior High Teacher)

Mr. EnTay, S.T (My 1st Programming Teacher, one of the most influential man in my field)
Mr. Lioe Kuang Sin, S.Kom (My junior high computer teacher who has encouraged my study in computing, coordinator of SMPK 1 BPK PENABUR Bandung computer laboratory)
Mr. Rusli, A.Md (My junior high computer teacher who has encouraged my study in computing)
Mr. Rachmat Selamat, S.Kom, M.T (My junior high computer teacher who has encouraged my study in computing)
Mr. Andreas Anggawidjaja, S.Kom (My junior high computer teacher who has encouraged my study in computing)
Mr. Ronny Christian Darmutji, A.Md (My senior high computer teacher who has encouraged my study in computing, coordinator of SMAK 1 BPK PENABUR Bandung computer laboratory)
Mr. Darma Indra Gultom, S.Kom (My senior high computer teacher who has encouraged my study in computing, he has also accompanied me travelling a lot of competitions)
Mr. Erik Gordon, S.Kom (My senior high computer teacher who has encouraged my study in computing, he has also accompanied me travelling some competitions)

Mr. Tjen Boen Fie, S.T (My mathematics private teacher who has refreshed my passion to mathematics)
Mr. Hok Seng, S.T (My private teacher who has patiently help me in my senior high study, it’s getting harder when I have to leave a lot of classes during my national training)
Mr. Chriswan Sungkono, S.T (My private english teacher who was very helpful to “repair” my english, also do some corrections for english use in this blog, hehe…)
Mr. Josef (My private english teacher who was very helpful to “repair” my english)
Mr. Firman, S.S (My private english teacher who was very helpful to “repair” my english)

I know I can’t fully write all names here, so I’m sorry for those I forget to write here…