Looi Wen Shen radiation oncologist and team
Our goal
Empowering Lives With Cancer Education

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Our Team
Our Radiation Oncologists
Dr Wong Ru Xin is a radiation oncologist at Proton Therapy SG

Dr Wong Ru Xin is our senior consultant radiation oncologist whose expertise lies in treating cancer with proton beam therapy and advanced radiotherapy techniques such as stereotactic radiosurgery. She graduated from the National University of Singapore on the Dean’s list and was the recipient of a several academic prizes. She then underwent training at National Cancer Centre and worked there for more than 10 years before leaving for Proton Therapy SG. During her time in NCCS, she received several research and clinical grants to implement new technologies and authored multiple studies on sarcoma, breast, head and neck and brain cancersAs part of her training for proton therapy in Singapore, she was sponsored by the Ministry of Health to learn proton beam therapy in the USA for 6 months. She also learnt at Kobe proton centre as well as Provision Cares proton center, and successfully completed several courses in Particle Therapy and radiosurgery.  She is a member of Particle Therapy Co-operative group Asia-Oceania. Her focus is on using proton beam therapy for treatments. Read more here. 

Download her profile here to read more.

Contact her at ruxin.wong@proton.sg

Dr Looi Wen Shen treats cancer with proton therapy

Dr Looi Wen Shen graduated from National University Singapore (YLL-SOM) in 2008 and completed his specialist training at National Cancer Centre Singapore (NCCS). Formerly a Consultant radiation oncologist at NCCS and Clinical Assistant Professor at Duke-NUS Medical School, he also practised at the University of Florida Proton Therapy Institute, USA, where he completed formal subspecialty fellowship training in adult and paediatric proton therapy. Subsequently, he started the paediatric proton therapy program at NCCS.  Dr Looi is also the only radiation oncologist who is a member of the Children’s Oncology Group (COG) in Singapore. He also received further training at the Taipei Medical University Hospital Proton Centre for regionally endemic diseases such as liver cancer and nasopharyngeal cancer.  His interests are in prostate / paediatric / sarcoma / head and neck / brain and stereotactic body radiation therapy (SBRT). Dr Looi is currently Head of Department (HoD) of SAM Radiation Oncology. Click here for more info. For Mount Elizabeth Clinic information, click here.

Download profile here.

Contact him at wenshen.looi@proton.sg or WhatsApp +65 92975542


Dr Shaun Ho

Director of Radiotherapy
Consultant (Proton Therapy SG)

Dr Shaun Ho Zhirui graduated from National University of Singapore (NUS) medical school and underwent specialist training at National Cancer Centre Singapore (NCCS) with a high patient volume. Dr Shaun also went on to obtain a graduate diploma in palliative medicine. He completed a clinical oncology fellowship at University College London Hospital, UK, and received proton therapy training at Kobe Proton Centre and Taipei Medical University Hospital. Prior to joining Singapore Advanced Medicine (SAM), he was the Clinical Director of Radiation Oncology at Raffles Hospital where he set up and headed the service. He was formerly a Consultant and Clinical Assistant Professor at NCCS and Duke-NUS Medical School. Dr Ho treats patients for a wide range of conditions. He also has deep expertise and interest in the treatment of colorectal cancer, esophagus, liver and pancreatic cancers, head & neck cancers, breast cancer, lung cancer, prostate cancer, sarcomas, lymphomas, and brain tumours. Dr Ho continues to serve in the Singapore Radiological Society committee today, fostering and leading the local radiation oncology community.

Contact him at shaun.ho@proton.sg

Theory Of Change
Expert Content
by specialists
We aim to provide expert-driven, compassionate content on various cancer-related topics.
Patient Engagement
Through education, we seek to foster a supportive online community for sharing experiences and mutual support.
Empowered Patients
Users gain knowledge, make informed decisions, and feel empowered in their cancer journey.
Positive Impact
In the end, we seek to bring about improved health outcomes, increased awareness, and uplift the community in the long term.