Dewan Pendiri THS-THM terdiri dari:
| RD. Martinus Hadiwijoyo | (+) 2022 |
| RD. Aloysius Gonzaga Luhur Prihadi | |
| RD. Richardus Heru Subyakto | |
| Benedictus Wiharto, SH | (+) 2022 |
| Yohanes Lilik Subiyanto Dwijosusanto, SPd | |
| Drs. Y. B. Prasetyo Yudono, MSBA | (+) 2013 |
| Stanislaus Kostka R. Adi Satriyo Nugroho, S.Pd. | (+) 2020 |
| Drs. Fransiskus Krisdaryadi Hadisubroto | |
| Aloysius Bambang Wahjudi, SIP | |
| DR. RMS Haripurnomo Kushadiwijoyo, MPh | |
| Dra. Margriet Emmy Putraningrum, M.Psi | |
| Brigjen TNI (Purn) Ignatius Imam Kuseno Miharjo | |
| Ibu Imam Kuseno Miharjo | |
| Drs. Petrus Agus Salim | |
| Dra. C. Sri Wahyu Dramastuti | |
| Maria Selastiningsih, S.E. |