Ms.Onuma (Kru Ben) has a Bachelor of Arts in Thai language. She has been teaching at TCIS since 2014. Kru Ben received the Outstanding Teacher Award from the Private Educational Association in 2018. She teaches Thai language and culture in secondary school to both Thai and Non-Thai students. She believes that all students are unique and the classroom is a free space for students to speak and meet their full potential. Kru Ben also works with the Thai Red Cross Youth Bureau (TRCY) and provides support for TCIS Red Cross Youth Volunteers.