• 2014 FRCSEd (Gen Surg)
• 2014 MMed (Surgery), Yong Loo Lin School of Medicine, National University of Singapore
• 2009 MRCS Ed
• 2007 MBBS

• Adjunct Assistant Professor - NTU Lee Kong Chian School of Medicine
• Adjunct Assistant Professor - NUS Yong Loo Lin School of Medicine
• Associate Member - Society of Colorectal Surgeons Singapore (SCRS) (since 2011)
• Clinical Assistant Professor - Duke-NUS
• Fellow - Academy of Medicine (since 2014)
• Fellow - Royal College of Surgeons Edinburgh (since 2014)
• Instructor - Care of the Critical Ill Surgical Patient (CCriSP)(since 2015)
• Member - American Society of Colon & Rectal Surgeons (ASCRS) (since 2016)
• Member - College of Clinical Educators, Academy of Medicine, Singapore (since 2017)
• Member - College of Surgeons, Academy of Medicine, Singapore (since 2014)
• Member - European Association of Endoscopic Surgery (EAES) (since 2013)
• Member - European Society of Coloproctology (ESCP) (since 2015)
• Member - Singapore Medical Association (since 2007)
• Member - Surgeons in Training (SIT) Committee, College of Surgeons, Singapore (2011)
• Physician Faculty - SingHealth General Surgery Residency Program

• Outstanding Educator Award, Changi General Hospital (2018)
• SAF Commando Formation National Service Man of the Year (2017)
• Singapore Medical Journal Best Research Prize (2017)
• National Service Excellence Award (2017)
• SAF Commando Formation National Service Man Commendation (2016)
• Scientific Poster of Commendation, Eastern Health Alliance Scientific Meeting (2016)
• Scientific Poster of Distinction, American Society of Colon & Rectal Surgeons Scientific Meeting Los Angeles ,USA (2016)
• National Service Excellence Award (2016)
• Gold Award, Eastern Health Alliance Caring Awards (2015)
• Pre-congress Placement Award, European Society of Coloproctology (ESCP) in Valencia, Spain (2014)
• College of Surgeons Gold Medal for Best Performing Advanced Surgical Trainee (2014)
• Outstanding Faculty Award, Singhealth Residency (2014)
• Certificate of Commendation, National University of Singapore (2014)
• Best Educator Award (Medical – Postgraduate), Changi General Hospital (2013)
• Certificate of Commendation, National University of Singapore (2013)
• NUS Medical Society Outstanding Tutor Award (2013)
• Winner, Youth Competition, Multidisciplinary European Endovascular Therapy Congress, Rome, Italy (2013)
• Silver Award, Eastern Health Alliance Caring Awards (2013)
• Best Tutor for Surgery, Yong Loo Lin School of Medicine, NUS (2012)
• Best Oral Presentation, Eastern Health Alliance Inaugural Scientific Meeting (2011)
• Best Oral presentation, 10th Asia-Pacific Congress of Endoscopic Surgery – Society of Colorectal Surgeons,   Singapore Scientific Meeting (2011)
• Institutional Best Tutor (CGH) Phase III Surgery Posting (2011)
• SAF Good Service Medial (2010)
• Best House Officer Award, Singhealth (2008)
• Best House Officer Certificate of Commendation, CGH (2008)
• 2nd Best Poster Presentation, 4th Asia Breast Diseases Association Meeting, Chiangmai, Thailand (2006)
• Half Colours Award, NUS (2004)
• Excellence Award and Certificate of Appreciation, NUS Medical Society (2005)

A Minimally Invasive Surgical Approach to Synchronous Anal and Colon Adenocarcinoma: Review of Existing Literature. Tan JK, Teo Nan Zun, Ong Jianming Calvin, Sulaiman Bin Yusof, Ramesh Wijaya. • Aug 2016 Int J Colorectal Dis. 2016 Aug;31(8):1543-5.

The Use of Massive Transfusion Protocol for Both Trauma and Non-Trauma Patients in a Civilian Setting: What Can Be Done Better? Ramesh Wijaya, Cheng Hui Min Gloria, Chong Chee Keong, Tan Su-Ming • May 2016 Singapore Med J. 2016 May;57(5):238-41.

Can Venous Base Excess (VBE) Replace Arterial Base Excess (ABE) as a Marker of Shock and as a Predictor of Survival in Trauma? Wijaya Ramesh, Ng Jia Hui, Ong Wei Lin Lester, Andrew Wong Siang Yih • Feb 2016 Singapore Med J. 2016 Feb;57(2):73-6.

Open Thrombectomy for Primary Acute Mesentericoportal Venous Thrombosis - Should It Be Done? Ramesh Wijaya, Ng Jia Hui, Amanda See, Steven Kum Wei Cheong • Oct 2015 Ann Vasc Surg. 2015 Oct; 29 (7): 1454. e 21-5.

Laparoscopic management of complicated foreign body ingestion: A case series. Daryl Chia Kai Ann, Ramesh Wijaya, Andrew Wong, Tan Su-Ming • May 2015 Int Surg. 2015 May; 100 (5): 849-53.

Schistosomal appendicitis with portal hypertension Ramesh Wijaya, Ng Jia Hui, Tan Shoun, Andrew Wong Siang Yih • Feb 2015 Int J Colorectal Dis. 2015 Feb [Epub]

Resolving the diagnostic and management dilemma: A case of giant sporadic mesenteric fibromatosis and review of the literature Ramesh Wijaya, Manraj Singh, Adrian Koh Jit Hin, Andrew Wong Siang Yih • Aug 2014 World Journal of Colorectal Surgery. 2014 Aug; 4 (4): Article 5.

Isolated tuberculosis of the pancreas mimicking a pancreatic tumor with concomitant choledocholithiasis Ramesh Wijaya, Chee Hoe Koo, Adrian Kah Heng Chiow, Siong San Tan, Su-Ming Tan • Apr 2014 Int J Hepatobiliary Pancreat Dis. 2014;4:26–31.

Bone Bruise Patterns in knee injuries: where are they found? Yuin Cheng Chin, Ramesh Wijaya, Le Roy Chong, Haw Chong Chang, Yee Han Dave Lee • Sept 2013 Eur J Orthop Surg Traumatol. 2013 Sep

Ease of Use to Obtain Vascular Access in Adults Using a Novel Intraosseous Access Device Ong EH Marcus, Ngo S Y Adeline, Ramesh Wijaya • Feb 2009 Ann Acad Med Singapore 2009;38:121-4.

Managing Breast Cancer Diagnosed in First Trimester Pregnancy: A Case Report Ramesh Wijaya, Wei Sean Yong, Allen WY Yeo, See DT. • Dec 2007 Ann Acad Med Singapore. 2007 Dec;36(12):1024-7

Uncorrected refractive error in Singapore teenagers. Ho CS, Ng CB, Chan E, Ngeow A, Wijaya R, Ashok V, Tang W, Gazzard G, Chua WH, Saw SM • Feb 2006 Br J Ophthalmol 2006 Feb;90(2):202-7